GPL-3.0 Licensed Open Source Software

Cross-platform open-source video editor built on the MLT framework with a wide format support and no import required.

Modern and easy to use SQL client for MySQL, Postgres, SQLite, SQL Server, and more. Linux, MacOS, and Windows.

Network-wide DNS-based ad and tracker blocker with parental controls, DNS rewrites, and detailed query logging.

A free, open-source engine and community project recreating Age of Empires II with a modern C++ and Python codebase.

A simple app for tracking monthly spending and working towards financial goals.

Free, open-source desktop video editor for Linux, Windows, and macOS built with Qt 6 and FFmpeg.

Free, open source digital painting and illustration application that is a popular alternative to Photoshop and Procreate.

Self-hostable travel tracker and trip planner with interactive world map, itineraries, GPX trails, and Immich/Strava integrations.

Self-hostable watchlist tracker for movies, TV shows, anime, and video games with a clean modern UI.

A self-hosted, cross-platform podcast management system with a modern Rust and Python stack.

An open source run tracker for Android.

Network-wide DNS-based ad blocking that protects all devices on your network, including Smart TVs and IoT devices.

Powerful, cross-platform open source raw photo processing program and a strong alternative to Adobe Lightroom.

A free and open-source ERP and CRM platform for businesses, foundations, and freelancers of any size.

An open-source reimplementation of RollerCoaster Tycoon 2 that expands the original with new features, rides, and multiplayer.

An open-world, voxel-based multiplayer RPG inspired by Cube World, built with the Rust programming language.

Turn your Android phone into a 4K webcam via USB or WiFi with an open-source desktop client and mobile app.

Open-source marketing automation platform with email campaigns, lead management, and multi-channel marketing.

Cross-platform PDF viewer focused on textbooks and research papers with smart navigation, marks, bookmarks, and bibliography jumping.

KillerPDF is a lightweight, fully portable PDF editor for Windows. Edit, merge, annotate, and sign PDFs locally with no subscription, accounts, or hidden telemetry anywhere on your computer.

Self-hosted document management system with OCR, full-text search, and automatic tagging for your paper documents.

Open source base-building and factory-automation puzzle game inspired by Factorio — extract, cut, rotate, and combine shapes on an infinite map.

Instant messaging platform with self-hosted backend in Go and clients for iOS, Android, web, and command line.

OpenProject is open-source project management software for agile teams. A powerful alternative to Jira, Asana, Trello, and Monday.com — fully self-hosted and free to use.

Self-hosted music server focused on metadata integration and UI, with music videos as first-class citizens and mobile apps for Android and iOS.