LLM inference in C/C++
A massively spiffy yet delicately unobtrusive compression library.
Tensors and Dynamic neural networks in Python with strong GPU acceleration
OpenSSL is an open source project that provides a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library.
Open Source Computer Vision Library
Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data.
JSON for Modern C++
The Python programming language
An OCR Engine that was developed at HP Labs between 1985 and 1995... and now at Google.
Fast UTF-8 validation with Range algorithm (NEON+SSE4+AVX2)
A library to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created.
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
Host tool bin2c for FFmpeg build
Port of OpenAI's Whisper model in C/C++
Qt Base (Core, Gui, Widgets, Network, ...)
{fmt} is an open-source formatting library providing a fast and safe alternative to C stdio and C++ iostreams.
gRPC is a modern, open source, high-performance remote procedure call (RPC) framework that can run anywhere. gRPC enables client and server applications to communicate transparently, and simplifies the building of connected systems.
Qt Base provides the basic non-GUI functionality required by all Qt applications.
GoogleTest - Google Testing and Mocking Framework
Zstandard - Fast real-time compression algorithm
stb single-file public domain libraries for C/C++
Faiss is a library for efficient similarity search and clustering of dense vectors.
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
Very fast, header-only/compiled, C++ logging library.
A simple and easy-to-use library to enjoy videogames programming
An open-source C++ library developed and used at Facebook. The library is UNSTABLE on Windows
A library that provides an embeddable, persistent key-value store for fast storage
libuv is a multi-platform support library with a focus on asynchronous I/O.
FlatBuffers is a cross platform serialization library architected for maximum memory efficiency. It allows you to directly access serialized data without parsing/unpacking it first, while still having great forwards/backwards compatibility.
Extra CMake Modules (ECM), extra modules and scripts for CMake
C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.
Abseil is an open-source collection of C++ library code designed to augment the C++ standard library. The Abseil library code is collected from Google's own C++ code base, has been extensively tested and used in production, and is the same code we depend on in our daily coding lives.
An incremental parsing system for programming tools.
A fast JSON parser/generator for C++ with both SAX/DOM style API <http://rapidjson.org/>
Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks
Portable, general-purpose utility library.
ncnn is a high-performance neural network inference framework optimized for the mobile platform
Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.
Lossless compression algorithm, providing compression speed at 400 MB/s per core.
libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2, NEON, AltiVec) to accelerate baseline JPEG compression and decompression on x86, x86-64, ARM, and PowerPC systems.
Open standard for machine learning interoperability
libpng is a library implementing an interface for reading and writing PNG (Portable Network Graphics) format files
A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator
A collection of tools and utilities that come with the Qt framework to assist developers in the creation, management, and deployment of Qt applications.
Simple, secure & standards compliant web I/O for the most demanding of applications
Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.
Asio is a cross-platform C++ library for network and low-level I/O programming that provides developers with a consistent asynchronous model using a modern C++ approach.
pybind11 is a lightweight header-only library that exposes C++ types in Python and vice versa, mainly to create Python bindings of existing C++ code
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
Yoga is a cross-platform layout engine which implements Flexbox
A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.
GLFW is a free, Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan application development. It provides a simple, platform-independent API for creating windows, contexts and surfaces, reading input, handling events, etc.
A single file C++11 header-only HTTP/HTTPS server and client library
Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.
Provides a set of APIs that can be used to host .NET Core (dotnet)
brpc is an Industrial-grade RPC framework using C++ Language, which is often used in high performance system such as Search, Storage, Machine learning, Advertisement, Recommendation etc. "brpc" means "better RPC".
X.org macros utilities.
High performance UI layout library in C
A library to render fonts.
The systemd System and Service Manager
a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling.
:zap: KCP - A Fast and Reliable ARQ Protocol
The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
Tensor library for machine learning
Libxml2 is the XML C parser and toolkit developed for the Gnome project (but usable outside of the Gnome platform).
OpenGL Mathematics (GLM)
bzip2 is a freely available, patent free, high-quality data compressor. It typically compresses files to within 10% to 15% of the best available techniques (the PPM family of statistical compressors), whilst being around twice as fast at compression and six times faster at decompression.
MNN is a blazing fast, lightweight deep learning framework, battle-tested by business-critical use cases in Alibaba
An event notification library
C++ Parallel Computing and Asynchronous Networking Engine
C++ Parallel Computing and Asynchronous Networking Engine (Windows version)
mimalloc is a compact general purpose allocator with excellent performance.
C++ implementation of the Google logging module
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
:herb: Fast streaming XML parser written in C99 with >90% test coverage; moved from SourceForge to GitHub
🌱Light and powerful C++ web framework for highly scalable and resource-efficient web application. It's zero-dependency and easy-portable.
Modern C++ toolkit containing machine learning algorithms and tools for creating complex software in C++
A modern, portable, easy to use crypto library.
Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk
JsonCpp is a C++ library that allows manipulating JSON values, including serialization and deserialization to and from strings. It can also preserve existing comment in unserialization/serialization steps, making it a convenient format to store user input files.
A cross-platform library to access USB devices
Ultralightweight JSON parser in ANSI C
Multi-Joint dynamics with Contact. A general purpose physics simulator.
Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).
Drogon: A C++14/17/20 based HTTP web application framework running on Linux/macOS/Unix/Windows
The ZeroMQ lightweight messaging kernel is a library which extends the standard socket interfaces with features traditionally provided by specialised messaging middleware products
A fast multi-producer, multi-consumer lock-free concurrent queue for C++11
Qt Declarative (Quick 2)
X Window System unified protocol definitions
FreeRDP is a free remote desktop protocol library and clients
MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
iconv() text conversion.
SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.
Cap'n Proto serialization/RPC system - core tools and C++ library
Ninja is a small build system with a focus on speed.
Simple and fast multimedia library
Z3 is a theorem prover from Microsoft Research
Embedded web server, with TCP/IP network stack, MQTT and Websocket
Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
Perceptual JPEG encoder
A massively spiffy yet delicately unobtrusive compression library.
Extremely fast non-cryptographic hash algorithm
COLMAP is a general-purpose Structure-from-Motion (SfM) and Multi-View Stereo (MVS) pipeline with a graphical and command-line interface. It offers a wide range of features for reconstruction of ordered and unordered image collections. The software is licensed under the new BSD license.
HarfBuzz OpenType text shaping engine
TinyXML2 is a simple, small, efficient, C++ XML parser that can be easily integrated into other programs.
A General-purpose Task-parallel Programming System using Modern C++
Light-weight, simple and fast XML parser for C++ with XPath support
SentencePiece is an unsupervised text tokenizer and detokenizer mainly for Neural Network-based text generation systems where the vocabulary size is predetermined prior to the neural model training
oneAPI Threading Building Blocks (oneTBB)
RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.
Open Graphics Library (OpenGL)[3][4][5] is a cross-language, cross-platform application programming interface (API) for rendering 2D and 3D vector graphics.
Point Cloud Library (PCL) is open source library for 2D/3D image and point cloud processing.
libvips is a demand-driven, horizontally threaded image processing library.
This is a minimal state immediate mode graphical user interface toolkit written in ANSI C and licensed under public domain
Open source log handling and visualization for spatial and embodied AI. Managed infrastructure to ingest, store, analyze, and stream data at scale with built-in visual debugging. Fast, flexible, and easy to use.
The X Window System is a network-transparent window system that was designed at MIT.
Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol versions 3.1 and 3.1.1, MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model, This makes it suitable for machine to machine messaging such as with low power sensors or mobile devices such as phones, embedded computers or microcontrollers like the Arduino
A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.
jemalloc is a general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support
Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.
Skia is an open source 2D graphics library which provides common APIs that work across a variety of hardware and software platforms.
WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless apps, embedded functions, microservices, smart contracts, and IoT devices.
A cross-platform, linkable library implementation of Git that you can use in your application.
Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.
:computer: C++ Functional Terminal User Interface. :heart:
A library to benchmark code snippets, similar to unit tests.
A fast compressor/decompressor.
An open source C++ engine for simulating rigid bodies in 2D
A cross-platform protocol library to communicate with iOS devices
CUDA Templates and Python DSLs for High-Performance Linear Algebra
Minimal cross-platform standalone C headers
Compression library with an API similar to that of zlib.
The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.
The official SuiteSparse library: a suite of sparse matrix algorithms authored or co-authored by Tim Davis, Texas A&M University.
The gflags package contains a C++ library that implements commandline flags processing. It includes built-in support for standard types such as string and the ability to define flags in the source file in which they are used. Online documentation available at:
Microsoft implementation of the Guidelines Support Library
A project for conversions between Traditional Chinese, Simplified Chinese and Japanese Kanji (Shinjitai)
Electronic Arts Standard Template Library. It is a C++ template library of containers, algorithms, and iterators useful for runtime and tool development across multiple platforms. It is a fairly extensive and robust implementation of such a library and has an emphasis on high performance above all other considerations.
Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.
yaml-cpp is a YAML parser and emitter in C++ matching the YAML 1.2 spec.
The pattern matching swiss knife
Qt Declarative (Quick 2)
A library that supports the manipulation of TIFF image files
C++ Requests is a simple wrapper around libcurl inspired by the excellent Python Requests project.
A high-performance multi-threaded malloc() implementation, plus some performance analysis tools.
Intel® RealSense™ SDK 2.0 is a cross-platform library for Intel® RealSense™ depth cameras (D400 series and the SR300).
Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code
ChakraCore is an open source Javascript engine with a C API.
Mesh optimization library that makes meshes smaller and faster to render
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, PowerPC, RiscV, S390x, TriCore, X86)
Torch's TH library
Addons to QtCore
Cross-platform library for building Telegram clients
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
Open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, AAX and LV2 audio plug-ins and plug-in hosts
Vowpal Wabbit is a machine learning system which pushes the frontier of machine learning with techniques such as online, hashing, allreduce, reductions, learning2search, active, and interactive learning.
Halide is a programming language designed to make it easier to write high-performance image and array processing code on modern machines.
A fast entity component system (ECS) for C & C++
Metapackage for packages which provide BLAS
Metapackage for packages which provide LAPACK
Universally unique id library
An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
A collection of C++ HTTP libraries including an easy to use HTTP server.
HDF5 is a data model, library, and file format for storing and managing data
The Wren Programming Language. Wren is a small, fast, class-based concurrent scripting language.
The WebAssembly Binary Toolkit
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.
The Quite OK Image Format for fast, lossless image compression
Configuration system
Draco is a library for compressing and decompressing 3D geometric meshes and point clouds. It is intended to improve the storage and transmission of 3D graphics.
Vulkan header files and API registry
Industry-standard navigation-mesh toolset for games
Mature and widely used Unicode and localization library.
The smallest header-only GUI library (4 KLOC) for all platforms.
SQLCipher extends the SQLite database library to add security enhancements that make it more suitable for encrypted local data storage.
WebP codec: library to encode and decode images in WebP format
GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats.
Jsonnet - The data templating language
Libhv is a C/C++ network library similar to libevent/libuv.
The QuantLib C++ library
Advanced internationalization framework
Universal Scene Description (USD) is an efficient, scalable system for authoring, reading, and streaming time-sampled scene description for interchange between graphics applications.
Cairo is a 2D graphics library with support for multiple output devices. Currently supported output targets include the X Window System (via both Xlib and XCB), Quartz, Win32, image buffers, PostScript, PDF, and SVG file output. Experimental backends include OpenGL, BeOS, OS/2, and DirectFB.
The GNU Multiple Precision Arithmetic Library
C99 implementation of the TLS/SSL protocols.
The fastest feature-rich C++11/14/17/20 single-header testing framework
Hiredis is a minimalistic C client library for the Redis database.
A large scale non-linear optimization library
Higher level programming in C
Audio playback and capture library written in C, in a single source file
The Computational Geometry Algorithms Library (CGAL) is a C++ library that aims to provide easy access to efficient and reliable algorithms in computational geometry.
ClamAV is an open-source anti-virus toolkit.
Dirent is a C/C++ programming interface that allows programmers to retrieve information about files and directories under Linux/UNIX. This project provides Linux compatible Dirent interface for Microsoft Windows.
http request/response parser for c
Portable, high level programming interface to various calling conventions
A Hexagonal Hierarchical Geospatial Indexing System
CMake helper functions for building robotic applications
Xlib-based library for common extensions to the X11 protocol