Mediawiki Wiki software package that powers Wikipedia and all other Wikimedia projects, serving hundreds of millions of users each month. Self-hostedOpen sourceWikis GPL-2.0PHP
P Pagure Lightweight, powerful, and flexible git-centric forge with features laying the foundation for federated and decentralized development. Self-hostedOpen sourceSoftware Development - Project Management GPL-2.0Python
P Privoxy 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. Self-hostedOpen sourceProxy GPL-2.0C
Q QST Online assessment software. From a quick quiz on your phone to large scale, high stakes, proctored desktop testing, easy, secure and economical. Self-hostedOpen sourceLearning and CoursesKnowledge Management Tools GPL-2.0Perl
Redmine Flexible project management web application. Self-hostedOpen sourceSoftware Development - Project Management GPL-2.0Ruby
R Rukovoditel Configurable open source project management, web-based application. Self-hostedOpen sourceSoftware Development - Project Management GPL-2.0PHP
S SANE Network Scanning Allow remote clients to access image acquisition devices (scanners) available on the local host. Self-hostedOpen sourceMiscellaneous GPL-2.0C
S SeedDMS Document Management System with workflows, access rights, fulltext search, and more. Self-hostedOpen sourceDocument Management GPL-2.0PHP
S SentryShot Video surveillance management system. Self-hostedOpen sourceVideo Surveillance GPL-2.0Rust
Sourcehut A full web git interface with no javascript. Self-hostedOpen sourceSoftware Development - Project Management GPL-2.0Go
S Squid 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. Self-hostedOpen sourceProxy GPL-2.0C
S SquirrelMail Another browser-based IMAP client. Self-hostedOpen sourceCommunication - Email - Webmail Clients GPL-2.0PHP
T Tuleap Tuleap is a libre suite to plan, track, code and collaborate on software projects. Self-hostedOpen sourceSoftware Development - Project Management GPL-2.0PHP
V VideoLAN Client (VLC) Cross-platform multimedia player client and server supporting most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. Self-hostedOpen sourceMedia Streaming - Video Streaming GPL-2.0C
Y Yeti-Switch Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API. Self-hostedOpen sourceCommunication - SIP GPL-2.0C++
Z Zimbra Collaboration Email, calendar, collaboration server with Web interface and lots of integrations. Self-hostedOpen sourceGroupware GPL-2.0Java