For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
Experimental open-source replacement PlayStation 2 BIOS for emulators. MIT licensed.
Open-source vector similarity search for Postgres
Open-source keyboard firmware for Atmel AVR and Arm USB families
VLC media player - plays everything, runs anywhere. Code here: https://code.videolan.org/videolan/vlc
ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.
Open-source SenseVoiceSmall model for Mandarin, Cantonese, English, Japanese, and Korean ASR, language ID, emotion recognition, and audio event detection.
Open-source e-reader firmware
Open-source telemetry dashboard. Supports UART, BLE, MQTT, Modbus, CAN Bus and more.
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.
A simple and easy-to-use immediate-mode gui library
open-source IEEE 802.11 WiFi baseband FPGA (chip) design: driver, software
Write like a high-level language, run like C.
Open-source iOS / macOS compatibility layer for Diablo II: Resurrected with the Reign of the Warlock expansion. Runs your own Switch copy natively on iPhone, iPad and Mac โ full touch controls, 60 fps, new endgame modes. Bring your own game files. ๅผๆบ็ใๆ้ป็ ดๅ็ฅ II๏ผ็ฑ็ซ้็ใๆฏๅฃซๅไธด iOS / macOS ๅ ผๅฎนๅฑ
MongoDB-compatible database engine for cloud-native and open-source workloads. Built for scalability, performance, and developer productivity.
GStreamer open-source multimedia framework
Next-Generation of Chiaki (the open-source remote play client for PlayStation)
PortAudio is a cross-platform, open-source C language library for real-time audio input and output.
An open-source Unix operating system -- this is a read-only mirror of the official repository at https://code.illumos.org/plugins/gitiles/illumos-gate
Open-source foundation of the user-sponsored PyMOL molecular visualization system.
Paparazzi is a free and open-source hardware and software project for unmanned (air) vehicles. This is the main software repository.
A completely free, open-source, 2D game engine built on proven torque technology.
A free and open-source Touhou Project fangame
The first open-source DDoS protection system
ChipWhisperer - the complete open-source toolchain for side-channel power analysis and glitching attacks
One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.
PCRE2 is a library implementing regular expression pattern matching with a C API
open-source binary diff, delta/differential compression tools, VCDIFF/RFC 3284 delta compression
Official repository for libIEC61850, the open-source library for the IEC 61850 protocols
An open-source SDK for PSP homebrew development.
GRASS - free and open-source geospatial processing engine
๐ซ An open-source multi-purpose N-body code.
lzbench is an in-memory benchmark of open-source compressors
Classic overhead run-and-gun game
The open-source wireless research platform for ESP32.
A free and open-source audio player for macOS and iOS
An open-source HEVC encoder
Modular Open Source Radio Firmware
The *cutest* framework out there for creating 2D and 3D games in C++!
An open-source enterprise-grade router system based on OpenWrt.
LMP provides an eBPF Supermarket for developers, including eBPF tools, open-source projects based on eBPF, eBPF learning materials, Linux kernel learning materials, and more.
A close-to-metal Python API for programming AMD Ryzenโข AI NPUs (AI Engines), built on an open-source MLIR-based compiler toolchain.
ROSE is an open-source compiler framework engineered by LLNL supporting program analysis and transformation at both the source and binary levels. ROSE can act as a compiler frontend for C, C++ (including applications which use UPC, OpenMP, or Cuda), Fortran, Java, Ada, and supports ELF and PE binary formats for a variety of instruction sets.
Open-source Modbus TCP to Modbus RTU (RS-232/485) gateway.
SCReenshOT - command line screen capture utility
The cross-platform, open-source SDK to develop for original Xbox: *new* xdk
An open-source port of the scrolling shooter Tyrian.
MaraDNS: A small open-source DNS server
Open-source and real-time orchestrator for cyber-physical-systems, to easily design, test and deploy embedded applications and digital twins.
Official repository of Jim Tcl, an open-source, small footprint implementation of Tcl
NAXSI is an open-source, high performance, low rules maintenance WAF for NGINX
Open-source acoustic drone detection. It hears the propellers, not the radio, so it works against fibre-optic FPV aircraft that emit no signal at all.
Open-source Motion Control Platform
Open-source firmware for the Xteink X3 e-ink device โ the calm companion OS behind Flowe
Free open-source AirPlay receiver for Android TV โ mirror your iPhone, iPad or MacBook screen to any Android TV, Google TV or Fire TV. No ads, no watermark, no subscription. Prebuilt APKs included.
The official open-source repository of XJ380OS, currently using as the kernel.
Independent desktop operating system with its own kernel, userspace and native BoringWM, written primarily in C
Open-source replacement Home for homebrew-enabled consoles: open-source homebrew Store, customization, music and radio, phone remote, party chat, 27 languages. No piracy: no games, no game catalogues, no connection with Overdrive. Client (C/SDL2) + self-hostable server (Node.js).
Open-source AMD Fluid Motion Frames (AFMF) for Linux: a Vulkan implicit layer that doubles the frame rate of any game, Proton or native, with FidelityFX Optical Flow. Tuned on RDNA4/RDNA3 with RADV; no game integration, no kernel module, no driver patch.
Open-source reading-first firmware for the Xteink X3 and X4