Discover the most starred and trending open source tools tagged with #cpp.
The ripgrep of AI context: a zero-dependency C++23 CLI + MCP server for coding agents. Find what you want without reading the repo, then check you built what you meant — blast radius, tests-to-run, quality deltas. Signatures at 74.7% fewer bytes than bodies; every guess labelled, every loss published. Paddle out with a map.
Instant, controllable, local pre-trained AI models in Rust
Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, MySQL, DuckDB, Chromium, Redis and WebKit/Safari
🔥 Insanely fast native C++, Swift or Kotlin modules with a statically compiled binding layer to JSI
Basic Development Environment - a set of foundational C++ libraries used at Bloomberg.
PLC4X The Industrial IoT adapter
A fast & densely stored hashmap and hashset
C++ Library for Audio Digital Signal Processing
scanf for modern C++
Real-time multi-physics simulation with an emphasis on medical simulation.
Probably the fastest coroutine lib in the world!
This is the development repository for the OpenFHE library. The current version is 1.5.1 (released on April 10, 2026).
a self-hosted webui for 30+ generative ai
Cotabby is local AI autocomplete for your entire Mac. Open source. On device. Everywhere you type.
U++ is a C++ cross-platform rapid application development framework focused on programmer's productivity. It includes a set of libraries (GUI, SQL, Network etc.), and integrated development environment (TheIDE).
Optimal Reciprocal Collision Avoidance (C++)
Sudoless Apple Silicon system monitor (native SwiftUI GUI) with ANE / Media Engine / memory-bandwidth tracking
Dear ImGui apps made simple: desktop, mobile, and web from one codebase. Minimal code. Maximally readable.
Confidential Consortium Framework
CLion plugin for Bazel projects