SeedDMS
Document Management System with workflows, access rights, fulltext search, and more.
Sendmail
Message transfer agent (MTA).
SentryShot
Video surveillance management system.
SilverStripe
Easy to use CMS with powerful MVC framework underlying.
SIP3
VoIP troubleshooting and monitoring platform.
slcl
Simple and lightweight web cloud storage.
Smederee
A frugal platform which is dedicated to help people build great software together leveraging the power of t…
SnyPy
Open source on-prem code snippet manager.
Sourcehut
A full web git interface with no javascript.
SPIP
Publication system for the Internet aimed at collaborative work, multilingual environments, and simplicity…
Squid
Caching proxy for the Web supporting HTTP, HTTPS, FTP, and more.
SquirrelMail
Another browser-based IMAP client.
SyncMarks
Sync and manage your browser bookmarks from Edge, Firefox and Chromium.
Taiga
Agile Project Management Tool based on the Kanban and Scrum methods.
Taskwarrior
Taskwarrior is Free and Open Source Software that manages your TODO list from your command line.
Trac
Trac is an enhanced wiki and issue tracking system for software development projects.
Traccar
Java application to track GPS positions.
Tryton
Free open source business solution.
Tube
Youtube-like (_without censorship and features you don't need!_) video sharing app written in Go which also…
Tuleap
Tuleap is a libre suite to plan, track, code and collaborate on software projects.
Turtl
Totally private personal database and note taking app.
UBOS
Linux distro that runs on indie boxes (personal servers and IoT devices).
VideoLAN Client (VLC)
Cross-platform multimedia player client and server supporting most multimedia files as well as DVDs, Audio…
Vinyl Cache
Web application accelerator/caching HTTP reverse proxy (formerly Varnish).