Self-hosted projects built with Scala

Lila is the open source server behind lichess.org, providing real-time chess, puzzles, analysis, tournaments, teams, and community features via web and mobile clients.

AGPL-3.0Actively maintained

Alternative to:

Chess.com

GitBucket is a self-hosted Git web platform for managing Git repositories with issues, pull requests, wikis, Git LFS support, and a plugin system.

BigBlueButton is an open-source virtual classroom and web conferencing platform with real-time audio/video, screen sharing, whiteboards, breakout rooms, polling, and recordings.

LGPL-3.0Actively maintained

Alternative to:

Zoom+14

Docspell is a self-hosted document management system that imports scanned files and email attachments, runs OCR, and helps organize documents with tags, metadata, and search.

AGPL-3.0Actively maintained

Alternative to:

DocuWare+5

Self-hostable community discussion platform combining Q&A, forums, team chat, ideation/upvoting, and Disqus-style embedded blog comments.

AGPL-3.0Actively maintained

Alternative to:

Stack Overflow+19

Sharry is a self-hosted file sharing web app with resumable uploads (tus), configurable lifetimes and passwords, and multiple storage backends including PostgreSQL, MariaDB, H2, filesystem or S3-compatible storage.

GPL-3.0Actively maintained

Alternative to:

WeTransfer+19

Self-hosted web application to record family transactions, compute internal debts, and reconcile cash flow with category-based statistics and user management.

Actively maintained

Alternative to:

Splitwise+17

Scala-based web application for running live quizzes. Questions are configured via YAML; includes player answer page, quiz display, and master controls with multimedia support.

Actively maintained

Alternative to:

Kahoot!+5

Keyboard-focused list editor for power users. Self-hosted Scala/Play web app with nested lists, tags, document switching, extensive shortcuts and Docker support.

Actively maintained

Alternative to:

WorkFlowy+17

OpenOlitor is a multilingual web administration platform for Community Supported Agriculture (CSA) and solidarity-based / subscription farming, providing member, subscription and admin tools.

AGPL-3.0Actively maintained

Alternative to:

Local Line+10

Apache Flink is a distributed engine for stateful stream processing and batch analytics with event-time semantics, fault tolerance, and scalable deployment on clusters.

Activity unknown

Alternative to:

Amazon EventBridge+11

Smederee is an open-source, lightweight software forge that provides repository hosting, ticketing, code review and project management; implemented in Java/Scala for self-hosting.