Python library providing cryptographic recipes and low-level primitives (symmetric/asymmetric encryption, hashing, signatures).

C library for image processing, analysis, and manipulation with support for multiple formats.

C tensor library with quantization, automatic differentiation, and broad hardware support for machine learning workloads.

C++ shared libraries for networking, filesystem, regex, math, threading, and more.

C library implementing BLAKE2, a cryptographic hash function faster than MD5.

C library for asynchronous I/O and event-driven programming with support for multiple reactor patterns.

Cryptography and SSL/TLS toolkit library (version 4.0.0+), OpenSSL's latest major release with modernized APIs.

GNU key-value database library with dbm compatibility for persistent data storage.

Shared library for X Input Extension (XInput) support in X11 applications.

Shared library implementing SASL (Simple Authentication and Security Layer) authentication mechanisms for C/C++ applications.

Numerical computing library for Python with multi-dimensional array operations and mathematical functions.

JPEG XL image codec library and command-line tools for modern lossless and lossy still-image compression.

Incremental parsing library that builds syntax trees for code in C with language bindings.

Cross-platform C library providing low-level access to audio, keyboard, mouse, joystick, graphics, and other hardware.

Optimized BLAS library providing fast linear algebra operations (matrix multiplication, factorization, etc.).

Shared library providing ALSA (Advanced Linux Sound Architecture) audio and MIDI functionality on Linux.

C++ header-only SIMD library providing portable vector intrinsics with runtime CPU dispatch across x86, ARM, WebAssembly, and other architectures.

High-performance C/C++ inference engine for OpenAI's Whisper speech-to-text model with CPU and GPU acceleration.

D-Bus daemon and protocol definitions for Linux accessibility (screen readers, input control).

Linux kernel keyring utilities for managing cryptographic keys and security credentials.

Shared library and headers for the X11 XFIXES extension, enabling window region fixes and pointer barriers.

C library for creating and manipulating images in multiple formats (PNG, JPEG, GIF, WebP).

Freedesktop MIME type database and lookup library used by desktop environments and file handlers.

Python bindings to Rust's persistent (immutable) data structures library.

C library and command-line tools for connecting to Microsoft SQL Server and Sybase databases.

Multi-architecture disassembly framework and shared library for binary analysis.

C library for reading and writing Ogg bitstream containers.

Shared library providing TCP/IP network stack emulation for virtual machines and user-mode networking.

C++20 library collection of practical, performance-oriented components developed at Facebook.

Extremely fast non-cryptographic hash algorithm library for checksums and hash tables.

C library for reading, creating, and modifying ZIP archives with zstd and xz support.

C library for reading and writing audio files in WAV, AIFF, FLAC, and Ogg Vorbis formats.

C++ Thrift library providing base service interfaces for querying stats, counters, and metadata from networked services.

Open Database Connectivity (ODBC) 3 driver manager and libraries for Unix/Linux systems.

GNU C standard library providing POSIX system calls and C runtime for Linux systems.

Cross-platform C++ framework for building desktop and embedded UIs with native look-and-feel.

Fast C library and utilities for DEFLATE, zlib, and gzip compression/decompression with x86/ARM SIMD optimization.

Shared library implementing RIST (Reliable Internet Stream Transport) for robust video streaming over IP networks.

C library for encoding and decoding JPEG-2000 images with optional JPEG support.

C++14 TLS 1.3 implementation from Facebook supporting full handshake modes, PSK resumption, and early data.

C library and command-line tools for reading, writing, and manipulating images in netpbm formats (PBM, PGM, PPM, PAM, TIFF, PNG, JPEG).

Linux kernel 6.8 header files for cross-compilation and syscall definitions.

C library for encoding and decoding Internationalized Domain Names (IDN) to ASCII-compatible form.

Fast compression/decompression C library optimized for speed over ratio.

C library implementing Adaptive Entropy Coding with Golomb-Rice algorithm for lossless data compression.

Shared library implementing the Vorbis audio codec for lossy compression and playback.

Pure-Python C language parser, commonly used by cffi and code analysis tools.

High-performance RPC framework library with code generation for services across languages.

Shared C++ library providing utilities for Meta's EdenFS and Watchman projects.

C++ networking library for building protocols, clients, and servers with modular abstractions.

C++ library for 2D/3D vector, matrix, and math operations with SIMD optimization.

C shared library providing SDL2-compatible API and ABI while using SDL3 backend.

Free Lossless Audio Codec (FLAC) command-line encoder/decoder and C library for lossless audio compression.

General-purpose lossless data-compression C library, ubiquitously used in gzip and PNG.

C Foreign Function Interface library for Python, enabling Python code to call C functions and vice versa.

Minimalistic plugin API and collection of free video effects for multimedia applications.

Shared library providing client API for X11 XTEST and RECORD extensions (input simulation and event recording).

Qt library providing SVG image rendering and manipulation for Qt applications.

Python library for data validation and serialization using type hints and runtime checking.

Generate introspection metadata for GObject C libraries to enable dynamic bindings in Python, Lua, JavaScript, and other languages.