zlib

Falltergeistfalltergeist/falltergeist

An open-source cross-platform game engine for running Fallout 2™, written in C++ with SDL.

ÖbEngineSygmei/ObEngine

A free and open-source 2D game engine with Lua scripting, built on SFML, featuring a map editor and plugin system.

TinyEXRsyoyo/tinyexr

A small, single header-only C++ library for loading and saving OpenEXR (.exr) images with minimal dependencies.

Aleph OneAleph-One-Marathon/alephone

Open source continuation of Bungie's Marathon 2 game engine for playing Marathon series games and third-party content.

VangersKranX/Vangers

An open-source racing/RPG hybrid video game where players explore a unique world in customizable vehicles.

MeTAmeta-toolkit/meta

A modern C++ toolkit for text retrieval and analysis, featuring indexing, ranking, topic modeling, classification, and language models.

BackdoomsKuberwastaken/backdooms

A self-contained, infinitely generating HTML game inspired by DOOM 1993 and The Backrooms that fits entirely inside a QR code.

readsbwiedehopf/readsb

A high-performance ADS-B decoder for real-time aircraft tracking and data aggregation from SDR receivers.

XLSX I/Obrechtsanders/xlsxio

Cross-platform C library for reading and writing .xlsx files with minimal dependencies and a simple interface.

OpenSlideopenslide/openslide

A C library for reading whole slide image files (virtual slides) with a consistent API across multiple vendor formats.

osmpaulmach/osm

A comprehensive Go library for reading, writing, and processing OpenStreetMap data in XML, JSON, and PBF formats.

Rapidgzipmxmlnkn/rapidgzip

A parallel gzip decompressor with fast random access, utilizing multi-core CPUs for high-speed decompression of standard gzip files.

gdal3.jsbugra9/gdal3.js

Convert raster and vector geospatial data to various formats and coordinate systems entirely in the browser using WebAssembly.

DataStax C++ Driverdatastax/cpp-driver

A modern, feature-rich C/C++ client library for Apache Cassandra® and DataStax products using Cassandra's binary protocol.

PacketQdotse/PacketQ

A command-line tool that runs SQL queries directly on PCAP files and includes a built-in web server for remote inspection.

MATIOtbeu/matio

An open-source C library for reading and writing binary MATLAB MAT files without requiring MATLAB.

KaM RemakeKromster80/kam_remake

A freeware remake of Knights and Merchants: The Shattered Kingdom with modern OS support, bug fixes, and online multiplayer.

Jupyterakabe/ocaml-jupyter

An OCaml kernel for Jupyter notebooks, providing an OCaml REPL with markdown/HTML documentation, LaTeX, and image embedding.

Pumexpumexx/pumex

A high-performance, multithreaded rendering engine built on Vulkan API with a customizable render graph and cross-platform support.

OpenLieroXalbertz/openlierox

A real-time 2D shooter game inspired by Worms and Liero, featuring fast-paced multiplayer action with ninja ropes.

Kyoto Tycoonalticelabs/kyoto

A lightweight, high-performance network server for the Kyoto Cabinet key-value database with replication and memcached protocol support.

Sourceholdsourcehold/Sourcehold

An open-source engine re-implementation of the 2001 castle simulation game Stronghold, enabling cross-platform play.

Odamexodamex/odamex

A client/server source port for Doom enabling online multiplayer with enhanced features while preserving original gameplay.

pfaedlead-freiburg/pfaedle

Generates precise GTFS shapes for public transit feeds by map-matching schedule data to OpenStreetMap road networks.

Pakkero89luca89/pakkero

A Go-based binary packer that compresses, encrypts, and protects ELF binaries, scripts, and AppImages from tampering and reverse engineering.

Syndicate Warsswfans/syndwarsfx

An open-source port of the 1996 DOS game Syndicate Wars to modern operating systems using SDL, OpenAL, and Vorbis.

TinyDNGsyoyo/tinydng

Header-only C++ library for loading and writing DNG/TIFF files with support for RAW, lossless JPEG, and ZIP compression.

mc2alariq/mc2

An open-source engine and Linux port of Mech Commander 2, with bug fixes and 64-bit support for Windows and Linux.

node-osmiumosmcode/node-osmium

JavaScript bindings for libosmium to work with OpenStreetMap data, suitable for small extracts and prototyping.

rhorho-devel/rho

A refactored, efficient virtual machine for the R language with full compatibility and modern engineering.

pg-kafkaxstevens/pg_kafka

A PostgreSQL extension that enables sending messages directly to Apache Kafka from within the database.

cryptokitxavierleroy/cryptokit

A comprehensive OCaml library providing cryptographic primitives like ciphers, hashes, and public-key cryptography for security-sensitive applications.

Cirrusucbrise/cirrus

A serverless machine learning framework that scales algorithms across cloud lambda functions.

PixelPerfectEngineZILtoid1991/pixelperfectengine

A retro 2D and pseudo-3D game engine written in D, focused on authentic pixel-perfect graphics and a lightweight footprint.

RlingCynosureprime/rling

A faster, multi-threaded, feature-rich alternative to the rli utility for line removal, deduplication, and frequency analysis on large text files.

simutranssimutrans/simutrans

An open-source transportation simulator where players build and manage a transport company across rail, road, ship, and air networks.