All Open Source Apps

Open-source omnichannel customer support platform with AI-powered agents, live chat, and self-hosting — a full Intercom and Zendesk alternative.

Free, source-available game engine for 2D and 3D games on desktop, mobile, web, and consoles — no royalties, no licensing fees, full source access.

A modern Redis and Memcached replacement engineered for multi-core servers — delivering 25x more throughput, better cache hit rates, and up to 80% lower memory consumption with full API compatibility.

High-performance in-memory graph database for AI context and real-time analytics

Open-source, cross-platform 2D/3D game engine with Vulkan, Metal, and WebGL support for web, mobile, and instant gaming platforms

A fast, free, and focused Kanban tool from 37signals that strips away corporate bloat to help teams track bugs, issues, and ideas with clarity.

Open-source Bloomberg alternative with AI agents and real-time market data

The complete DevOps platform that unifies Git hosting, CI/CD, issue tracking, and security scanning into a single self-hostable application.

A cross-platform, offline password manager with YubiKey, passkey, browser integration, and TOTP — all encrypted locally in the open KDBX format.

Free, open-source 2D CAD application for Windows, macOS, and Linux with DXF/DWG support and JavaScript scripting.