Postal
Complete and fully featured mail server for use by websites & web servers.
Docs
Collaborative note taking, wiki and documentation platform that scales.
EMQX
Scalable MQTT broker.
Flarum
Delightfully simple forums.
transfer.sh
Easy file sharing from the command line.
Answer
Knowledge-based community software.
Spree Commerce
Spree is a complete, modular & API-driven open source e-commerce solution for Ruby on Rails.
OpenProject
Manage your projects, tasks and goals.
FreshRSS
Self-hostable RSS feed aggregator.
Mail-in-a-Box
Turns any Ubuntu server into a fully functional mail server with one command.
Beets
Music library manager and MusicBrainz tagger (command-line and Web interface).
JupyterLab
Web-based environment for interactive and reproducible computing.
Libre Translate
Machine Translation API.
Gotify
Notification server with Android and CLI clients (alternative to PushBullet).
NodeBB
Forum software built for the modern web.
Seafile
File hosting and sharing solution primary for teams and organizations.
Transmission
Fast, easy, free Bittorrent client.
PeerTube
Decentralized video streaming platform using P2P (BitTorrent) directly in the web browser.
LanguageTool
Proofread more than 20 languages.
Lemmy
Link aggregator for the fediverse (alternative to Reddit).
Filestash
Web file manager that lets you manage your data anywhere it is located: FTP, SFTP, WebDAV, Git, S3, Minio,…
Gollum
Simple, Git-powered wiki with a sweet API and local frontend.
Bytebase
Safe database schema change and version control for DevOps teams, supports MySQL, PostgreSQL, TiDB, ClickHo…
Druid
Distributed, column-oriented, real-time analytics data store.