Cpp GitHub Repositories (2026) · Open Source Tools

ICPP - Run C++ anywhere, just like a script.

F´ - A flight software and embedded systems framework

An alternative to Windows Hello/Howdy

high-performance rendering backend (C++, Python, C#, Java)

Optimal Reciprocal Collision Avoidance (C++)

A coupling library and ecosystem for partitioned multi-physics and multi-scale simulations, including surface and volume coupling.

An AI coding workstation that fits in your pocket.

Open source robotics simulator. The latest version of Gazebo.

Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱

C++ Library for Audio Digital Signal Processing

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

Adaptive video frame extraction for SfM, Gaussian Splatting, and photogrammetry.

Continuous profiling for analysis of CPU and memory usage, down to the line number and throughout time. Saving infrastructure cost, improving performance, and increasing reliability.

The most complete DDS - Proven: Plenty of success cases. Looking for commercial support? Contact info@eprosima.com

Cross-platform library for converting natural raster images into clean SVGs - fast, precise and configurable.

Open-source library of optimized deep learning operations (matmul, convolution, attention) for CPUs (x64, AArch64, RISC-V) and Intel GPUs. Used by PyTorch, TensorFlow, OpenVINO, and ONNX Runtime.

A modern, open-source BitTorrent client focused on privacy, performance, and clarity. No ads, no telemetry.

Vulkan Bootstrapping Iibrary

C++14 concurrent lock-free low-latency queue.

Log and visualize multimodal data for robotics and physical AI