Deluge Lightweight, cross-platform BitTorrent client. Self-hostedOpen sourceFile Transfer - Peer-to-peer Filesharing GPL-3.0Python
E EmailRelay A small and easy to configure SMTP and POP3 server for Windows and Linux. Self-hostedOpen sourceCommunication - Email - Mail Transfer Agents GPL-3.0C++
E Exim Message transfer agent (MTA) developed at the University of Cambridge. Self-hostedOpen sourceCommunication - Email - Mail Transfer Agents GPL-3.0C
FHEM 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. Self-hostedOpen sourceInternet of Things (IoT) GPL-3.0Perl
Geeftlist Collaborative platform for managing, sharing and reserving gifts between friends and family. Self-hostedOpen sourceMiscellaneous GPL-3.0Docker
G Git Annex File synchronization between computers, servers, external drives. Self-hostedOpen sourceFile Transfer & Synchronization GPL-3.0Haskell
G GNUnet Software framework for decentralized, peer-to-peer networking. Self-hostedOpen sourceCommunication - Custom Communication Systems GPL-3.0C
I Inboxen Lets you have an infinite number of unique inboxes. Self-hostedOpen sourceCommunication - Email - Complete Solutions GPL-3.0Python
J Jami Universal communication platform which preserves the user's privacy and freedoms. Self-hostedOpen sourceCommunication - Custom Communication Systems GPL-3.0C++
Kasm Workspaces Streaming containerized apps and desktops to end-users. Examples include Ubuntu in your browser, or simply single apps such as Chrome, OpenOffice, Gimp, Filezilla etc. Self-hostedOpen sourceMiscellaneous GPL-3.0Docker
M Mailman Manage electronic mail discussion and e-newsletter lists. Self-hostedOpen sourceCommunication - Email - Mailing Lists and Newsletters GPL-3.0Python
Moodle Learning and courses platform with one of the largest open source communities worldwide. Self-hostedOpen sourceLearning and Courses GPL-3.0PHP
N Neos Neos or TYPO3 Neos (for version 1) is a modern, open source CMS. Self-hostedOpen sourceContent Management Systems (CMS) GPL-3.0PHP
P PmWiki Wiki-based system for collaborative creation and maintenance of websites. Self-hostedOpen sourceWikis GPL-3.0PHP
S Samba Samba is the standard Windows interoperability suite of programs for Linux and Unix. It provides secure, stable and fast file and print services for all clients using the SMB/CIFS protocol. Self-hostedOpen sourceFile Transfer & Synchronization GPL-3.0C
S Schleuder GPG-enabled mailing list manager with resending-capabilities. Self-hostedOpen sourceCommunication - Email - Mailing Lists and Newsletters GPL-3.0Ruby
SPIP Publication system for the Internet aimed at collaborative work, multilingual environments, and simplicity of use for web authors. Self-hostedOpen sourceContent Management Systems (CMS) GPL-3.0PHP
T Turtl Totally private personal database and note taking app. Self-hostedOpen sourceNote-taking & Editors GPL-3.0CommonLisp
U UBOS Linux distro that runs on indie boxes (personal servers and IoT devices). Single-command installation and management of apps - Jenkins, Mediawiki, Owncloud, WordPress, etc., and other features. Self-hostedOpen sourceSelf-hosting Solutions GPL-3.0Perl
W Wazo Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API. Self-hostedOpen sourceCommunication - SIP GPL-3.0Python
W WikiSuite The most comprehensive and integrated Free / Libre / Open Source enterprise software suite. Self-hostedOpen sourceSelf-hosting Solutions GPL-3.0Shell