no repo

zookeeper

No Repo
* ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.
Email, calendar, collaboration server with Web interface and lots of integrations.

zeromq

No Repo
* Lightweight queuing system.

zenoss

No Repo
* Application, server, and network management platform based on Zope.

zbackup

No Repo
* A versatile deduplicating backup tool.

zabbix

No Repo
* Enterprise-class software for monitoring of networks and applications.

z-push

No Repo
Implementation of Microsoft’s protocol.

yunohost

No Repo
Server operating system aiming to make self-hosting accessible to everyone.

ymarks

No Repo
Keep your browser's bookmarks synchronized without limiting yourself to one provider.

yadifa

No Repo
* Lightweight authoritative Name Server with DNSSEC capabilities powering the .eu top-level domain.

xymon

No Repo
* Network monitoring inspired by Big Brother.

xtreemfs

No Repo
* XtreemFS is a fault-tolerant distributed file system for all storage needs.

xenserver

No Repo
* Turnkey virtualization platform based on CentOS distribution, using Xen and an extended toolstack/API.

xen

No Repo
* Virtual machine monitor for 32/64 bit Intel / AMD and PowerPC 970 architectures.

xcp-ng

No Repo
* Based on Citrix XenServer, XCP-ng is a fully open source virtualization platform.
Open source tool for syncing browser data between browsers and devices.

x2go

No Repo
* X2Go is an open source remote desktop software for Linux that uses the NX technology protocol.

wpkg

No Repo
* Software deployment, upgrade and removal program for Windows.

wireshark

No Repo
* The world's foremost network protocol analyzer.

wireguard

No Repo
* Very fast VPN based on elliptic curve and public key crypto. Linux only ; other clients in development.

wikisuite

No Repo
The most comprehensive and integrated Free / Libre / Open Source enterprise software suite.

wikiss

No Repo
Wiki, simple to use and install.

weechat

No Repo
Fast, light and extensible chat client.

webvirtmgr

No Repo
* libvirt-based Web interface for managing virtual machines.

webmin

No Repo
* Linux server control panel.

wazo

No Repo
Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API.

wapt

No Repo
* Network-wide installation, configuration and upgrades of Windows based software.
* An open source cross-platform extensible code editor from Microsoft

virtualmin

No Repo
* Hosting panel for Linux based on webmin.

virtualbox

No Repo
* Virtualization product from Oracle Corporation.

vim

No Repo
* A highly configurable text editor built to enable efficient editing.

vikunja

No Repo
The to-do app to organize your life.

vestacp

No Repo
* Hosting panel for Linux but with Nginx.

varnish

No Repo
* HTTP based web application accelerator focusing on optimizing caching and compression.

vagrant

No Repo
* Tool for building complete development environments.

urbackup

No Repo
* Another client-server backup system.

unison

No Repo
Unison is a file-synchronization tool for OSX, Unix, and Windows.

unbound

No Repo
* Validating, recursive, and caching DNS resolver.

uchiwa

No Repo
* Simple dashboard for sensu.

ubos

No Repo
Linux distro that runs on indie boxes . Single-command installation and management of apps Jenkins, Mediawiki, Owncloud, WordPress, etc., and other features.

twiki

No Repo
TWiki is a Perl-based structured wiki application, typically used to run a collaboration platform, knowledge or document management system, a knowledge base, or team portal.

turtl

No Repo
Totally private personal database and note taking app.

tuleap

No Repo
Tuleap is a libre suite to plan, track, code and collaborate on software projects.

tsuru

No Repo
* Tsuru is an extensible Platform as a Service software.

tryton

No Repo
Free open source business solution.

traccar

No Repo
Java application to track GPS positions. Supports loads of tracking devices and protocols, has an Android and iOS App. Has a web interface to view your trips.

trac

No Repo
Trac is an enhanced wiki and issue tracking system for software development projects.

tokumei

No Repo
Anonymous microblogging platform.
Open source web-based news feed reader and aggregator.
An open source AJAX-powered chat platform with support for IRC .

tinc

No Repo
* Distributed p2p VPN.

tiki

No Repo
Wiki CMS Groupware with the most built-in features.

tiger vnc

No Repo
* TigerVNC is a high-performance, platform-neutral implementation of VNC , a client/server application that allows users to launch and interact with graphical applications on remote machines.

tigase

No Repo
XMPP server implementation in Java.
* Free email application that's easy to set up and customize.

thruk

No Repo
* Multibackend monitoring web interface with support for Naemon, Nagios, Icinga and Shinken.
* Complete lifecycle management tool for physical and virtual servers. FOSS.

the epube

No Repo
Self-hosted web EPUB reader using EPUB.js, Bootstrap, and Calibre.

terraform

No Repo
* Terraform works with many cloud providers and creates infrastructure from code.

tcollector

No Repo
* System statistic collection daemon written in Python for OpenTSDB
Taskwarrior is Free and Open Source Software that manages your TODO list from your command line. It is flexible, fast, efficient, and unobtrusive. It does its job then gets out of your way.

taskfreak

No Repo
Simple but efficient web based task manager written in PHP.

tapir

No Repo
Troubleshooting and real-time monitoring of VoIP-based systems.

taiga

No Repo
Agile Project Management Tool based on the Kanban and Scrum methods.

tahoelafs

No Repo
* secure, decentralized, fault-tolerant, peer-to-peer distributed data store and distributed file system.

tagtool

No Repo
Collaborative knowledge management tool. Create word clouds and link the elements.

sysdig

No Repo
* Capture system state and activity from a running Linux instance, then save, filter and analyze.

syndie

No Repo
Syndie is a libre system for operating distributed forums.

syncany

No Repo
Secure file sync software for arbitrary storage backends, an open-source cloud storage and filesharing application. Securely synchronize your files to any kind of storage.

sympa

No Repo
Mailing list manager.

sylpheed

No Repo
* – Still developed predecessor to Claws Mail, lightweight mail client.

swift

No Repo
* A highly available, distributed, eventually consistent object/blob store.

subversion

No Repo
* Client-server revision control system.

strongswan

No Repo
* Complete IPsec implementation for Linux.

stockazng

No Repo
Asset Management System.

staytus

No Repo
* Staytus is a complete solution for publishing the latest information about any issues with your web applications, networks or services.

statusfy

No Repo
* A modern status page for presenting critical service updates.

stashboard

No Repo
* Status page for cloud services and APIs.
Simple and private notes app. Protect your privacy while getting more done. That's Standard Notes.

stackstorm

No Repo
* Event Driven Operations and ChatOps platform for infrastructure management. Written in Python.
Another browser-based IMAP client.

squid

No Repo
Caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages.

sqlite

No Repo
* Library that implements a self-contained, serverless, zero-configuration, transactional SQL DBS.

spip

No Repo
Publication system for the Internet aimed at collaborative work, multilingual environments, and simplicity of use for web authors.

spack

No Repo
* A flexible package manager that supports multiple versions, configurations, platforms, and compilers.

sorcia

No Repo
Sorcia is a minimalist web frontend for Git repositories with fine-grained user access controls, multiple themes to choose based on your taste and many more.

softether

No Repo
* Multi-protocol software VPN with advanced features

snowplow

No Repo
Have every single event, from your websites, mobile apps, desktop applications and server-side systems, stored in your own data warehouse and available to action in real-time.

snipe it

No Repo
* Asset & license management software.

snebu

No Repo
* – Snapshot backup with global multi-client deduplication and transparent compression.
* A private certificate authority and related tools for secure automated certificate management.
Complete mailserver solution leveraging the Nix Ecosystem.
Easy to use CMS with powerful MVC framework underlying.

shinobice

No Repo
Open Source CCTV software written in Node with both IP and local camera support.

shinken

No Repo
* Another monitoring framework.

sheepdog

No Repo
* A distributed Blockdevice, Rest, QEMU and distributed Filesystem storage.

sentora

No Repo
* Control panel for Linux, BSD, and Windows based on ZPanel.

sensu

No Repo
* Monitoring framework.

sendmail

No Repo
Message transfer agent .
The easiest way to share and manage your Git, Mercurial and Subversion repositories over http.

schleuder

No Repo
GPG-enabled mailing list manager with resending-capabilities.
Allow remote clients to access image acquisition devices available on the local host.

samba

No Repo
* – Active Directory and CIFS protocol implementation.

salt

No Repo
* It's written in Python.

rygel

No Repo
Rygel is a UPnP AV MediaServer that allows you to easily share audio, video, and pictures. Media player software may use Rygel to become a MediaRenderer that may be controlled remotely by a UPnP or DLNA Controller.

rundeck

No Repo
* Simple orchestration tool.

rsnapshot

No Repo
* Filesystem Snapshotting Utility.

rrdtool

No Repo
* Industry standard, high performance data logging and graphing system for time series data.

rosariosis

No Repo
RosarioSIS, free Student Information System for school management.

rocketeer

No Repo
* PHP task runner and deployment tool.

riemann

No Repo
* Flexible and fast events processor allowing complex events/metrics analysis.

riak

No Repo
* Another fault-tolerant key-value NoSQL database.

rhodecode

No Repo
RhodeCode is an open source platform for software development teams. It unifies and simplifies repository management for Git, Subversion, and Mercurial.
* Available as free software under the MIT License.

rethinkdb

No Repo
* Distributed document store database, focuses on JSON.

restic

No Repo
* Secure, remote backup tool. Designed to be easy, fast, verifiable and efficient.
ResourceSpace open source digital asset management software is the simple, fast, and free way to organise your digital assets.

remmina

No Repo
* A Feature rich remote desktop application for linux and other unixes.
Send release notifications for starred Github repos.

redmine

No Repo
Redmine is a flexible project management web application.

redis

No Repo
* Networked, in-memory, key-value data store with optional durability.

readymedia

No Repo
Simple media server software, with the aim of being fully compliant with DLNA/UPnP-AV clients. Formerly known as MiniDLNA.
* An easy A remote incremental backup of all your files.

rconfig

No Repo
* Another network device configuration management tool.

rclone

No Repo
* a command line program to sync files and directories to and from several cloud storage systems/providers.

ravendb

No Repo
* Document based database with ACID/Transactional features.

raneto

No Repo
Raneto is an open source Knowledgebase platform that uses static Markdown files to power your Knowledgebase.

rancid

No Repo
* Monitors network device's configuration and maintain history of changes.

racktables

No Repo
* Datacenter and server room asset management like document hardware assets, network addresses, space in racks, networks configuration.

rabbitmq

No Repo
* Robust, fully featured, cross distro queuing system.
Stable, full-featured, easy-to-install mail server based on qmail.

qmail

No Repo
Secure Sendmail replacement.

qemu

No Repo
* QEMU is a generic machine emulator and virtualizer.

pydash

No Repo
* Small web-based monitoring dashboard for linux.

puppet

No Repo
* It's written in Ruby and uses Puppet's declarative language or a Ruby DSL.

psono

No Repo
A promising password managers fully featured for teams.

proxmox ve

No Repo
* Virtualization management solution.

prosody im

No Repo
Feature-rich and easy to configure XMPP server.

prometheus

No Repo
* Service monitoring system and time series database.

projeqtor

No Repo
A complete, mature, multi-user project management system with extensive functionality for all phases of a project.

privoxy

No Repo
Non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk.

pritunl

No Repo
* OpenVPN based solution. Easy to set up.

pretix

No Repo
Django based ticket sales platform for events.

powerdns

No Repo
* DNS server with a variety of data storage back-ends and load balancing features.

poweradmin

No Repo
* Friendly web-based DNS administration tool for PowerDNS server.

pound

No Repo
Light-weight reverse proxy and load balancer for HTTP/HTTPS.

postgresql

No Repo
* Object-relational database management system .
* Scalable PostgreSQL-based database cluster.

postfix

No Repo
Fast, easy to administer, and secure Sendmail replacement.

portainer

No Repo
* Simple management UI for Docker.

pomerium

No Repo
* An identity and context aware access-proxy inspired by BeyondCorp.

pmwiki

No Repo
Wiki-based system for collaborative creation and maintenance of websites.

plone

No Repo
Powerful open-source CMS system.

pleroma

No Repo
Federated microblogging server, Mastodon, GNU social, & ActivityPub compatible.

piratebox

No Repo
DIY anonymous offline file-sharing and communications system built with free software and inexpensive off-the-shelf hardware.

piler

No Repo
feature rich open source email archiving solution.

pi-hole

No Repo
* A blackhole for Internet Advertisements with a gui for managing and monitoring

phpsysinfo

No Repo
* A customizable PHP script that displays information about your system nicely.

phpoffice

No Repo
PHPOffice contains libraries which permits to write and read files from most office suites.

phplist

No Repo
* Newsletter manager written in PHP.

phpipam

No Repo
* Open source IP address management with integration.
* Open source tool to monitor your servers and websites

photofloat

No Repo
Web 2.0 Photo Gallery Done Right via Static JSON and Dynamic Javascript.
* Code review tool build by facebook and used by WikiMedia, FB, dropbox etc. Comes with an integrated wiki, bug tracker, VC integration and a CLI tool called arcanist.
* Lightweight, distributed system performance and analysis framework.
* Enhanced, drop-in MySQL replacement.

passit

No Repo
Simple password manage with sharing features by group and user, but no administration interface.

pallet

No Repo
* Infrastructure definition, configuration and management via a Clojure DSL.

packman

No Repo
* Full stack, cross distro packaging software .

packetbeat

No Repo
* Captures network traffic and displays it in a custom Kibana dashboard for easy viewing.

packer

No Repo
* A tool for creating identical machine images for multiple platforms from a single source configuration.

oxwall

No Repo
Oxwall is used for a wide range of projects starting from family sites and custom social networks to collaboration tools and enterprise community solutions.

ovirt

No Repo
* Manages virtual machines, storage and virtual networks.

overcast

No Repo
* Deploy VMs across different cloud providers, and run commands and scripts across any or all of them in parallel via SSH.

ostel

No Repo
Secure SIP telephony setup with ZRTP encryption.

osiam

No Repo
* Secure identity management solution providing REST based services for authentication and authorization.
* A Secure Distributed File System built for offline operation.

orangehrm

No Repo
OrangeHRM is a comprehensive HRM system that captures all the essential functionalities required for any enterprise.

opsi

No Repo
* Hardware and software inventory, deployment, and patching for Linux and Windows.

openvz

No Repo
* Container-based virtualization for Linux.

openvpn

No Repo
* Uses a custom security protocol that utilizes SSL/TLS for key exchange.

opentsdb

No Repo
* Store and server massive amounts of time series data without losing granularity.
Open and free bittorrent tracker. It aims for minimal resource usage and is intended to run at your wlan router.

openstack

No Repo
* Build private and public clouds.

opensmtpd

No Repo
Secure SMTP server implementation from the OpenBSD project.

openshift

No Repo
* PaaS product from Red Hat.

opennode

No Repo
* Builds open-source infrastructure management software and implements cloud systems.

opennebula

No Repo
* Flexible enterprise cloud made simple.
Openmeetings provides video conferencing, instant messaging, white board, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming.

openldap

No Repo
* Developed by the OpenLDAP Project.
* A Simple Identity layer on top of OAuth 2.0.

opengts

No Repo
Entry-level fleet tracking system. Supports variety of tracking devices and protocols. Comes with rich web-interface and reporting features.

opends

No Repo
* Another directory server written in Java.

opendj

No Repo
* Fork of OpenDS.

openafs

No Repo
* Distributed network file system with read-only replicas and multi-OS support.
Self-Hosted alternative to Twitch and Youtube Live for live and on-demand video streaming.

omd

No Repo
* The Open Monitoring Distribution.

oddworks

No Repo
Oddworks is an open source video distribution platform built to destroy the barriers to streaming television with SDKs for Roku, Apple iOS/tvOS, Google Android, and Amazon FireTV.

octopussy

No Repo
* Log Management Solution .

ocserv

No Repo
* Cisco AnyConnect-compatible VPN server
* Enables users to inventory their IT assets.

observium

No Repo
* SNMP monitoring for servers and networking devices. Runs on linux.

nylas mail

No Repo
* Extensible mail client.

nsq

No Repo
* A realtime distributed messaging platform.

nsd

No Repo
* Authoritative only, high performance, simple name server.

noosfero

No Repo
Noosfero is a web platform for social and solidarity economy networks with blog, e-Portfolios, CMS, RSS, thematic discussion, events agenda and collective intelligence for solidarity economy in the same system.

nginx

No Repo
* Reverse proxy, load balancer, HTTP cache, and web server.

newspipe

No Repo
Newspipe is a web news aggregator and reader.

netdata

No Repo
* Distributed, real-time, performance and health monitoring for systems and applications. Runs on Linux, FreeBSD, and MacOS.

neos

No Repo
Neos or TYPO3 Neos is a modern, open source CMS.

neo4j

No Repo
* Graph database.

nano

No Repo
* Easy to use, customizable text editor.

nagios

No Repo
* Computer system, network and infrastructure monitoring software application.

naemon

No Repo
* Network monitoring tool based on the Nagios 4 core with performance enhancements and new features.

mytinytodo

No Repo
Simple way to manage your todo list in AJAX style. Uses PHP, jQuery, SQLite/MySQL. GTD compliant.

mutt

No Repo
* Small but very powerful text-based mail client.

munki

No Repo
* Webserver-based repository of packages and package metadata, that allows macOS administrators to manage software installs.

munin

No Repo
* Networked resource monitoring tool.

mtr

No Repo
* Network utility that combines traceroute and ping.

moosefs

No Repo
* Fault tolerant, network distributed file system.

moodle

No Repo
Moodle is a learning and courses platform with one of the largest open source communities worldwide.

monit

No Repo
* Small utility for managing and monitoring Unix systems.

mongodb

No Repo
* Another document-oriented database system.

moinmoin

No Repo
Advanced, easy to use and extensible WikiEngine with a large community of users.

mogilefs

No Repo
* Application level, network distributed file system.

mitmproxy

No Repo
* A Python tool used for intercepting, viewing and modifying network traffic. Invaluable in troubleshooting certain problems.

mina

No Repo
* Really fast deployer and server automation tool .

micro

No Repo
* A modern and intuitive terminal-based text editor

mesos

No Repo
* Develop and run resource-efficient distributed systems.

mercurial

No Repo
* Another distributed revision control.

mediawiki

No Repo
MediaWiki is a free and open-source wiki software package written in PHP. It serves as the platform for Wikipedia and the other Wikimedia projects, used by hundreds of millions of people each month.
Free software media publishing platform that anyone can run. You can think of it as a decentralized alternative to Flickr, YouTube, SoundCloud, etc.
* Ruby framework to manage server orchestration, developed by Puppet labs.

mayan edms

No Repo
Free Open Source Electronic Document Management System. An electronic vault for your documents with preview generation, OCR, and automatic categorization among other features.

matomo

No Repo
Leading open-source analytics platform that gives you more than just powerful analytics, formerly known as Piwik.
Online markdown editor/viewer.

mariadb

No Repo
* Community-developed fork of the MySQL.

mailygo

No Repo
MailyGo is a small tool written in Go that allows to send HTML forms, for example from static websites without a dynamic backend, via email.

mailman

No Repo
The Gnu mailing list server.

maildrop

No Repo
Disposable email SMTP server, also useful for development.

lxd

No Repo
* – a container "hypervisor" and a better UX for LXC.

lxc

No Repo
* Userspace interface for the Linux kernel containment features.

lustre

No Repo
* Parallel distributed file system, generally used for large-scale cluster computing.

lufi

No Repo
Let's Upload that FIle, client-side encrypted.

logstash

No Repo
* Tool for managing events and logs.

lita

No Repo
* A robot companion for your company's chat room.

lime

No Repo
* Aims to provide an open source solution to Sublime Text

lighttpd

No Repo
* Web server more optimized for speed-critical environments.
* The next generation code editor.

librenms

No Repo
* Fully featured network monitoring system that provides a wealth of features and device support.

libravatar

No Repo
* Libravatar is a service which delivers your avatar to other websites.

libervia

No Repo
Web frontend from Salut à Toi.

leofs

No Repo
* Unstructured object/data storage and a highly available, distributed, eventually consistent storage system.
LazyLibrarian is a program to follow authors and grab metadata for all your digital reading needs. It uses a combination of Goodreads Librarything and optionally GoogleBooks as sources for author info and book info.

kvm

No Repo
* Linux kernel virtualization infrastructure.

kopano

No Repo
Groupware suite including e-mail, calendars, tasks, todos and notes. Featuring a modern WebApp, DeskApp and mobile access over Z-Push/ActiveSync.

kontalk

No Repo
Kontalk is an Open Source Messenger, similar to WhatsApp , including end-to-end encryption, server is based on Tigase XMPP Server.

kolab

No Repo
Kolab community is a unified communication and collaboration system.

knot

No Repo
* High performance authoritative-only DNS server.

kinto

No Repo
Kinto is a minimalist JSON storage service with synchronisation and sharing abilities.

kibana

No Repo
* Visualize logs and time-stamped data.

kdevelop

No Repo
* IDE by the people behind KDE.
Host awesome karaoke parties where everyone can easily find and queue songs from their phone's web browser. The player is also browser-based with support for MP3+G, MP4 and WebGL visualizations.

kallithea

No Repo
Source code management system that supports two leading version control systems, Mercurial and Git, with a web interface.

kafka

No Repo
* Extremely high performance publish/subscribe message system.
* – Python script for downloading and silently installing MSI files.

juju

No Repo
* Cloud orchestration tool which manages services as charms, YAML configuration and deployment script bundles.

jirafeau

No Repo
Jirafeau is a web site permitting to upload a file in a simple way and give an unique link to it.

jami

No Repo
Free and universal communication platform which preserves the user's privacy and freedoms .

itop

No Repo
* Complete ITIL web based service management tool.

ispconfig

No Repo
* Hosting control panel for Linux.

iredmail

No Repo
Full-featured mail server solution based on Postfix and Dovecot.

inlets

No Repo
Expose your local endpoints to the Internet with a Kubernetes integration, Docker image and CLI available.

influxdb

No Repo
* Distributed time series database with no external dependencies.

infcloud

No Repo
Open source CalDAV/CardDAV web client implementation.

indieauth

No Repo
* Sign in with your domain name .

imp

No Repo
HORDE application that provides webmail access to IMAP and POP3 accounts.

imapsync

No Repo
* – Simple IMAP migration tool for copying mailboxes to other servers.

icinga

No Repo
* Nagios fork that has since lapped nagios several times. Comes with the possibility of clustered monitoring

icecoder

No Repo
* Code editor awesomeness, built with common web languages.

icecast 2

No Repo
streaming audio/video server which can be used to create an Internet radio station or a privately running jukebox and many things in between.

i-doit

No Repo
* IT Documentation and CMDB.

hypertable

No Repo
* C++ based BigTable-like DBMS, communicates through Thrift and runs either as stand-alone or on distributed FS such as Hadoop.

hubzilla

No Repo
Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform.

hubot

No Repo
* A customizable, life embetterment robot.

hpcbios

No Repo
* HPCBIOS is an effort to setup a common, well-documented and reproducible, environment spanning across multiple HPC systems & sites, *inclusive* of documentation.

homelabos

No Repo
Your very own offline-first privacy-centric open-source data-center.

hindsight

No Repo
* Stream processing system which may be used for log aggregation .

hiawatha

No Repo
* Prioritises security, simplicity and performance.
* Monitoring for cron jobs, background services and scheduled tasks.

hdfs

No Repo
* Distributed, scalable, and portable file-system written in Java for the Hadoop framework.

hastic

No Repo
Hackable time series pattern recognition tool with UI for Grafana.

haroopad

No Repo
* Markdown editor with live preview.

haproxy

No Repo
* Software based load Balancing, SSL offloading and performance optimization, compression, and general web routing.

guacamole

No Repo
Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP.

grml

No Repo
* – bootable Debian Live CD with powerful CLI tools.

graylog

No Repo
* Pluggable Log and Event Analysis Server with Alerting options.

graphite

No Repo
* Scalable graphing server.

grafana

No Repo
* A Graphite & InfluxDB Dashboard and Graph Editor.

gradle

No Repo
* Another build automation system.

gnunet

No Repo
Free software framework for decentralized, peer-to-peer networking.

gnu social

No Repo
Social communication software for both public and private communications.

gnu make

No Repo
* The most popular automation build tool for many purposes.

gnu fm

No Repo
Running music community websites, alternative to last.fm.

gnu emacs

No Repo
* An extensible, customizable text editor-and more.

gnu bazaar

No Repo
* Distributed revision control system sponsored by Canonical.

glusterfs

No Repo
* Scale-out network-attached storage file system.

glpi

No Repo
* Information Resource-Manager with an additional Administration Interface.

gitlab

No Repo
Self Hosted Git repository management, code reviews, issue tracking, activity feeds and wikis.

gitlab ci

No Repo
Gitlab's built-in, full-featured CI/CD solution. (

git

No Repo
* Distributed revision control and source code management with an emphasis on speed.

git annex

No Repo
File synchronization between computers, servers, external drives.

gist

No Repo
GIST is an open-source application to share code.

gerrit

No Repo
* Based on the Git version control, it facilitates software developers to review modifications to the source code and approve or reject those changes.

gearman

No Repo
* Fast multi-language queuing/job processing platform.

geany

No Repo
* GTK2 text editor.

ganglia

No Repo
* High performance, scalable RRD based monitoring for grids and/or clusters of servers. Compatible with Graphite using a single collection process.

ganeti

No Repo
* Cluster virtual server management software tool built on top of KVM and Xen.

galette

No Repo
Galette is a membership management web application towards non profit organizations.

galera

No Repo
* Galera Cluster for MySQL is an easy-to-use high-availability solution with high system up-time, no data loss, and scalability for future growth.
* Improve the Management of the services and the company directory based on OpenLDAP.

funkwhale

No Repo
Modern, web-based, convivial, multi-user and free music server.
Extract article content from news sites and blogs and convert RSS feeds that contain only extracts of stories to full-text feeds. Developed by FiveFilters.org.

froxlor

No Repo
* Easy to use panel for Linux with Nginx and PHP-FPM support.

freeswitch

No Repo
Scalable open source cross-platform telephony platform.

freeradius

No Repo
* High performance and highly configurable multi-protocol policy/authentication server, supporting RADIUS, DHCPv4 and VMPS.

freepbx

No Repo
Web-based open source GUI that controls and manages Asterisk.

freeipa

No Repo
* Based on 389-DS. Includes Kerberos, DNS, as well as host based access control.

freedombox

No Repo
Community project to develop, design and promote personal servers running free software for private, personal, communications.
Home server configuration based on Debian.

framadate

No Repo
Online service for planning an appointment or make a decision quickly and easily: Make a poll, Define dates or subjects to choose, Send the poll link to your friends or colleagues, Discuss and make a decision.

fossil

No Repo
* Distributed version control with built-in wiki and bug tracking.

formtools

No Repo
Powerful, flexible, free and open source PHP/MySQL script to manage your forms and data.

fog

No Repo
* Another computer cloning solution.

flynn

No Repo
* PaaS

flume

No Repo
* Distributed log collection and aggregation system.

fluentd

No Repo
* Log Collector and Shipper.

flatdoc

No Repo
Small Javascript file that fetches Markdown files and renders them as full pages.

flapjack

No Repo
* Monitoring notification routing & event processing system.

firebird

No Repo
* True universal database.

fhem

No Repo
FHEM is used to automate common tasks in the household like switching lamps and heating. It can also be used to log events like temperature or power consumption. You can control it via web or smartphone frontends, telnet or TCP/IP directly.

feed2toot

No Repo
Feed2toot parses a RSS feed, extracts the last entries and sends them to Mastodon.

feathur

No Repo
* VPS Provisioning and Management Software.

facette

No Repo
* Time series data visualization and graphing software written in Go.

fabric

No Repo
* Python library and cli tool for streamlining the use of SSH for application deployment or systems administration tasks.
* A lightweight and simple dashboard monitor for Linux, available in Web and Bash application.

exist-db

No Repo
* Open Source XML Database

exim

No Repo
Message transfer agent developed at the University of Cambridge.

eucalyptus

No Repo
* Private cloud software with AWS compatibility.

err

No Repo
* a plugin based chatbot designed to be easily deployable, extensible and maintainable.
* Lmod is a Lua based module system that easily handles the MODULEPATH Hierarchical problem.

elixire

No Repo
Simple yet advanced screenshot uploading and link shortening service.
* Java based database, popular with log aggregation, and email archiving projects.

eggdrop

No Repo
* the world's most popular IRC bot, designed for flexibility and ease of use, and is freely distributable under the GNU GPL.

edx

No Repo
The Open edX platform is open-source code that powers edX.org.

eclipse

No Repo
* IDE written in Java with an extensible plug-in system.

easybuild

No Repo
* EasyBuild builds software and modulefiles for High Performance Computing systems in an efficient way.

duplicity

No Repo
* Encrypted bandwidth-efficient backup using the rsync algorithm.

duplicati

No Repo
* Multiple backends, encryption, web-ui and multi-OS backup tool.

drupal

No Repo
Advanced open source content management platform.

drbd

No Repo
* Distributed Replicated Block Device.

dotclear

No Repo
Take control over your blog.

domainmod

No Repo
* Manage your domains and other internet assets in a central location.

docker

No Repo
* Platform for developers and sysadmins to build, ship, and run distributed applications.
* Manage cluster of Docker Engines.
* Define and run multi-container Docker applications.

dnsmasq

No Repo
* A lightweight service providing DNS, DHCP and TFTP services to small-scale networks.

dnscontrol

No Repo
* Opinionated platform for seamlessly managing your DNS configuration across any number of DNS hosts, both in the cloud or in your own infrastructure.

djbdns

No Repo
* A collection of DNS applications, including tinydns.

designate

No Repo
* DNS REST API that support several DNS servers as its backend.

davical

No Repo
Server for calendar sharing that uses a PostgreSQL database as a data store.
Powerful decentralized file sharing applications built from a large ecosystem of modules.

dashing

No Repo
* Ruby gem that allows for rapid statistical dashboard development. An all HTML5 approach allows for big screen displays in data centers or conference rooms.

darcs

No Repo
* Patch-based distributed version control

dadamail

No Repo
* Mailing List Manager, written in Perl.
Your own video sharing website with CumulusClips video sharing script. You can build a YouTube clone where users can upload, rate, comment on videos, and much more.
High performance RTMP/RTSP streaming server.
* The CC1 system provides a complete solution for Private Cloud Computing.

cozy cloud

No Repo
Personal cloud where you can read your emails or manage and sync your contact, files or calendars, with an app store full of community contributions.
Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services.

countly

No Repo
Real time mobile and web analytics, crash reporting and push notifications platform.

couchdb

No Repo
* Ease of use, with multi-master replication document-oriented database system.

coredns

No Repo
* Flexible DNS server written on Go.

coquelicot

No Repo
Coquelicot is a “one-click” file sharing web application with a focus on protecting users’ privacy.

convirt

No Repo
* Provides the core functionality for centrally managing your KVM or Xen virtualized environment.

consul

No Repo
* Consul is a tool for service discovery, monitoring and configuration.

commento

No Repo
Commento is a discussion platform that you can embed on your blog, news articles, and any place where you want your readers to add comments.

collins

No Repo
* At Tumblr, it's the infrastructure source of truth and knowledge.

collectl

No Repo
* High precision system performance metrics collecting tool.

collectd

No Repo
* System statistic collection daemon.

cockpit

No Repo
* New multi-server web interface for Linux servers written in C.

cobbler

No Repo
* Cobbler is a Linux installation server that allows for rapid setup of network installation environments.
Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations.

cloudstack

No Repo
* Cloud computing software for creating, managing, and deploying infrastructure cloud services.

cloudslang

No Repo
* Flow-based orchestration tool for managing deployed applications, with Docker capabilities.

cloudify

No Repo
* TOSCA-based cloud orchestration software platform written in Python and YAML.
* A Platform-as-a-Service suite to provide the orchestration services that make distributed apps a powerhouse of awesomeness.

clonezilla

No Repo
* Partition and disk imaging/cloning program.

claws mail

No Repo
* Old school email client , based on GTK+.

citadel

No Repo
Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more.

chocolatey

No Repo
* – Windows CLI package manager written in .NET/PS, based on .

cherokee

No Repo
* Lightweight, high-performance web server/reverse proxy.

chef

No Repo
* It's written in Ruby and Erlang and uses a pure-Ruby DSL.

check_mk

No Repo
* Collection of extensions for Nagios.

chasquid

No Repo
SMTP server with a focus on simplicity, security, and ease of operation.

cfengine

No Repo
* Lightweight agent system. Configuration state is specified via a declarative language.

ceph

No Repo
* Distributed object store and file system.

cassandra

No Repo
* Distributed DBMS designed to handle large amounts of data across many servers.

capistrano

No Repo
* Deploy your application to any number of machines simultaneously, in sequence or as a rolling set via SSH .

camlistore

No Repo
* A set of open source formats, protocols, and software for modeling, storing, searching, sharing and synchronizing data.

calypso

No Repo
Python-based CalDAV and CardDAV server, forked from Radicale.

calibre

No Repo
E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients.

caddy

No Repo
* Lightweight, general-purpose web server supporting HTTP/2, automatic TLS and easy configuration. Written in Go.

cacti

No Repo
* Web-based network monitoring and graphing tool.

cachet

No Repo
* Status page system written in PHP.

cabot

No Repo
* Monitoring and alerts, similar to PagerDuty.

burp

No Repo
* Network backup and restore program.
Workflowy / Dynalist clone with Kanban and Calendar functionality. Organize everything.

bugzilla

No Repo
General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.

buddycloud

No Repo
Tools, libraries, services and a community to build user-to-user, group and social messaging into your app. Saves time. Scales up. Supports you.
A self-hosted Bitcoin and other cryptocurrencies payment processor.

brackets

No Repo
* Code editor for web designers and front-end developers.

bounca

No Repo
* A personal SSL Key / Certificate Authority web-based tool for creating self-signed certificates.

bosh

No Repo
* IaaS orchestration platform originally written for deploying and managing Cloud Foundry PaaS, but also useful for general purpose distributed systems.

booked

No Repo
A web-based calendar and resource scheduling system that allows administered management of reservations on any number of resources.

bolo

No Repo
* A Do-it-Yourself monitoring framework built to gather metrics, mine data and report on the systems in your network.

bloonix

No Repo
* Bloonix is a monitoring solution that helps businesses to ensure high availability and performance.

bind

No Repo
* The most widely used name server software.

beanstalkd

No Repo
* A simple, fast work queue.

bbpress

No Repo
bbPress is forum software with a twist from the creators of WordPress. Easily setup discussion forums inside your WordPress.org powered site.

bazel

No Repo
* Google's build system.

barman

No Repo
* Backup and Recovery Manager for disaster recovery of PostgreSQL servers.

bareos

No Repo
* A fork of Bacula backup tool.

backuppc

No Repo
* BackupPC is a high-performance system for backing up to disk.
* Lightweight, extensible meta-backup system.

atomia dns

No Repo
* DNS management system.

atom

No Repo
* A hackable text editor from Github.

asterisk

No Repo
Easy to use but advanced IP PBX system, VoIP gateway and conference server.

archipel

No Repo
* XMPP based virtualization management platform.

apache

No Repo
* Most popular web server.
* Build automation tool mainly for Java.
* Hadoop database, a distributed, big data store.
* Apache Software Foundation project written in Java.

apache ant

No Repo
* Automation build tool, similar to make, written in Java.

ansible

No Repo
* It's written in Python and manages the nodes over SSH.

anahita

No Repo
Open Source Social Networking Framework and Platform.

amanda

No Repo
* Client-server model backup tool.

algernon

No Repo
* Web/application server that supports Lua, live-reload, templates, Sass and HTTP/2.
The open source Enterprise Content Management software that handles any type of content, allowing users to easily share and collaborate on content.

ajenti

No Repo
* Control panel for Linux and BSD.

activemq

No Repo
* Java message broker.
* Developed by Red Hat.
Collabora Online Development Edition is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure.