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Kratos Multiphysics (A.K.A Kratos) is a framework for building parallel multi-disciplinary simulation software. Modularity, extensibility and HPC are the main objectives. Kratos has BSD license and is written in C++ with extensive Python interface.
A library for interactive command line interfaces in modern C++
The Linux PowerTOP tool -- please post patches to the mailing list instead of using github pull requests
A cross-platform 2D game engine
Web Serving and Remote Procedure Calls at 50x lower latency and 70x higher bandwidth than FastAPI, implementing JSON-RPC & REST over io_uring ☎️
easy to use, powerful & expressive command line argument parsing for modern C++ / single header / usage & doc generation
Cross-platform, efficient, customizable, and robust asynchronous HTTP(S)/WebSocket server C++ library with the right balance between performance and ease of use
Crinkler is an executable file compressor (or rather, a compressing linker) for compressing small 32-bit Windows demoscene executables. As of 2026, it is the most widely used tool for compressing 1k/4k/8k intros.
The Hoard Memory Allocator: A Fast, Scalable, and Memory-efficient Malloc for Linux, Windows, and Mac.
Compatible client of Ace of Spades 0.75
MAVLink to ROS gateway with proxy for Ground Control Station
Tesla Mod — Flipper Zero & ESP32. Nag killer, FSD region unlock, track mode, BMS dashboard, blind spot alert, high beam strobe, CAN capture, steering mode + more. Works via OBD-II or X179 connector.
C++20 framework for creative coding 🎮🎨🎹 / Cross-platform support (Windows, macOS, Linux, and the Web)
Free open-source modern C++20/23 framework to create console (CLI), forms (GUI like WinForms) and unit test (xUnit) applications and libraries on Windows, macOS, Linux, iOS, Android, FreeBSD, Haiku, and SerenityOS.
SimpleBLE - the all-in-one Bluetooth library for MacOS, iOS, Windows, Linux and Android.
TranslatedUsing dense-compute cards to accelerate sparse, large-VRAM hosts, where the hosts include AI Max+ 395, M3 512G, DGX Spark, and others.
Native PC port (Linux/Windows) of inFAMOUS Second Son (PS4, CUSA00223) — in development, playable; runs your own game dump; no game or firmware files included. Motion sensor emulation. | Port nativo para PC de inFAMOUS Second Son (em desenvolvimento) — usa o seu próprio dump.
C++ CSV parser library
A library for enabling task-based multi-threading. It allows execution of task graphs with arbitrary dependencies.
Command line Kiwix tools: kiwix-serve, kiwix-manage, ...
A coupling library and ecosystem for partitioned multi-physics and multi-scale simulations, including surface and volume coupling.
Public/backup repository of the GROMACS molecular simulation toolkit. Please do not mine the metadata blindly; we use https://gitlab.com/gromacs/gromacs for code review and issue tracking.
An image processing pipeline for ROS.
linalg.h is a single header, public domain, short vector math library for C++