C++

igraphigraph/python-igraph

A Python interface for the igraph library, enabling fast creation, manipulation, and analysis of large graphs and networks.

Handlebars.NetHandlebars-Net/Handlebars.Net

A high-performance .NET implementation of the Handlebars.js templating engine that compiles templates directly to IL bytecode.

unordered_densemartinus/unordered_dense

A fast, densely stored C++17+ hashmap and hashset using robin-hood backward shift deletion, offering near-drop-in replacements for std::unordered_map/set.

junctionpreshing/junction

A C++ library providing multiple concurrent hash map implementations for high-performance multithreaded applications.

Iaitōhteso/iaito

A Qt and C++ GUI for the radare2 reverse engineering framework, designed to make binary analysis accessible.

dyadrxi/dyad

A lightweight, portable, and easy-to-use asynchronous networking library for C.

PixelAnnotationToolabreheret/PixelAnnotationTool

A desktop application for semi-automatic image annotation using OpenCV's watershed algorithm with manual brush refinement.

V7cesanta/v7

A minimal embedded JavaScript engine for C/C++ that enables scripting on resource-constrained IoT devices.

PHP-CPPCopernicaMarketingSoftware/PHP-CPP

A C++ library for building native PHP extensions with automatic type conversion between C++ and PHP.

BananaBreadkripken/BananaBread

A C++ 3D game engine ported to run in web browsers using JavaScript, WebGL, and WebAssembly via Emscripten.

pyobelangeo/pyo

A Python module written in C for digital signal processing, enabling real-time audio manipulation and synthesis within Python scripts.

TagLibtaglib/taglib

A library for reading and editing metadata (tags) in a wide variety of audio file formats.

OpenTombopentomb/OpenTomb

An open-source re-implementation of the classic Tomb Raider engine for playing Tomb Raider 1-5 and custom levels.

axysaxys1/axys

A multi-platform C++ game engine for 2D games on desktop, mobile, Xbox, and WebAssembly, forked from Cocos2d-x.

Axmol Engineaxmolengine/axmol

A C++ multi-platform game engine for 2D development on desktop, mobile, Xbox, and WebAssembly.

PowerForensicsInvoke-IR/PowerForensics

A PowerShell framework for live disk forensic analysis, supporting NTFS and FAT file systems.

Argh!adishavit/argh

A minimalist, frustration-free, single-header C++ library for command-line argument parsing.

hologram.nvimedluffy/hologram.nvim

A cross-platform terminal image viewer for Neovim that displays inline images directly in buffers using the Kitty Graphics Protocol.

micro-ecckmackay/micro-ecc

A small, fast ECDH and ECDSA implementation in C for 8-bit, 32-bit, and 64-bit embedded processors.

pgRoutingpgRouting/pgrouting

pgRouting extends PostgreSQL/PostGIS with geospatial routing and network analysis functions.

LunarG's SamplesLunarG/VulkanSamples

A collection of Vulkan C++ sample applications demonstrating various aspects of the Vulkan graphics API.

DualityAdamsLair/duality

A plugin-based 2D game development framework built with C# and OpenTK.

Godot SQLite2shady4u/godot-sqlite

A GDExtension wrapper that provides SQLite3 database functionality for Godot 4.x+ projects.

Trilinostrilinos/Trilinos

A collection of reusable scientific computing software components for solving large-scale, complex multi-physics engineering problems.

Scylla Imports ReconstructorNtQuery/Scylla

A Windows tool for reconstructing import address tables (IAT) in x64/x86 executables, designed for reverse engineering and unpacking.

GodexGodotECS/godex

An Entity Component System (ECS) library for the Godot Engine, enabling data-oriented game architecture.

sha1collisiondetectioncr-marcstevens/sha1collisiondetection

Library and CLI tool to detect SHA-1 cryptanalytic collision attacks in files, serving as a drop-in replacement for SHA-1 libraries.

Qml.Netqmlnet/qmlnet

A Qt/QML integration for .NET, enabling .NET developers to build cross-platform desktop and embedded GUI applications.

Qml.Netpauldotknopf/Qml.Net

A Qt/QML integration for .NET, enabling .NET developers to build cross-platform desktop and embedded GUI applications.

OpenTESArenaafritz1/OpenTESArena

A modern open-source engine re-implementing The Elder Scrolls: Arena with quality-of-life improvements.

flightmareuzh-rpg/flightmare

A flexible modular quadrotor simulator with decoupled rendering (Unity) and physics engines for robotics research.

PDALPDAL/PDAL

A C++ library for translating and manipulating point cloud data, analogous to GDAL for raster/vector data.

SymEnginesymengine/symengine

A fast C++ symbolic manipulation library with optional wrappers for Python, Julia, Ruby, Haskell, and other languages.

ESP-Dashayushsharma82/ESP-DASH

A blazing-fast C++ library to create real-time, on-device dashboards for ESP32, RP2040+W, and RP2350+W microcontrollers.

astrobeenasa/astrobee

Open-source flight software, simulator, and tools for NASA's Astrobee free-flying robots on the International Space Station.

Template10Windows-XAML/Template10

A production-ready framework for building Windows 10 UWP apps with navigation, dependency injection, and MVVM patterns.