An Open Source Machine Learning Framework for Everyone

A system-level, binary package and environment manager running on all major operating systems and platforms.

Open Source AI Platform - AI Chat with advanced features that works with every LLM

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2

A library for efficient similarity search and clustering of dense vectors.

The open source coding agent.

Vector and raster maps with GL styles. Server side rendering by MapLibre GL Native. Map tile server for MapLibre GL JS, Android, iOS, Leaflet, OpenLayers, GIS via WMTS, etc.

MapLibre Native - Interactive vector tile maps for iOS, Android and other platforms.

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.

A conformant OpenGL ES implementation for Windows, Mac, Linux, iOS and Android.

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

Qt5 super module

👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.

The Serenity Operating System 🐞

Open Source Routing Engine for OpenStreetMap

Concurrency primitives, safe memory reclamation mechanisms and non-blocking (including lock-free) data structures designed to aid in the research, design and implementation of high performance conc…

WebGL2 powered visualization framework

A concise ChartPlotter/Navigator. A cross-platform ship-borne GUI application supporting * GPS/GPDS Postition Input * BSB Raster Chart Display * S57 Vector ENChart Display * AIS Input Decoding * Wa…

A modern GUI client based on Tauri, designed to run in Windows, macOS and Linux for tailored proxy experience

Cap'n Proto serialization/RPC system - core tools and C++ library

Nodejs extension host for vim & neovim, load extensions like VSCode and host language servers.

C++ DataFrame for statistical, financial, and ML analysis in modern C++

Google's Operations Research tools:

The public CGAL repository, see the README below

The official rendering library for PAG (Portable Animated Graphics) files that renders After Effects animations natively across multiple platforms.

omo; the best agent harness - previously oh-my-opencode

Open Source realtime backend in 1 file