C library implementing the Process Management Interface Exascale (PMIx) standard for HPC process coordination.

C library providing hardware-accelerated CRC32/CRC32c checksums with software fallback.

C library for loading images (PNG, JPEG, WebP, AVIF, TIFF, etc.) as SDL2 surfaces and textures.

Minimal Scheme interpreter and C extension library with no external dependencies, full R7RS support, and multi-threaded VM.

C library for programmatic stack unwinding and call-chain inspection across architectures.

C++ shared library for reading and writing audio file metadata (ID3, Vorbis, FLAC, etc.).

Shared library providing UI components and design patterns for GNOME applications using GTK4.

Open-source text-to-speech synthesizer supporting 100+ languages with formant synthesis, available as CLI and shared library.

Autoconf macros for building X.Org packages.

C99 shared library implementing Huffman encoding/decoding and compression algorithms for AWS C SDK.

C library for decoding and seeking in Opus audio files.

C library and tools for HTTP/2 protocol implementation with command-line client and server utilities.

C library for fast SIMD evaluation of elementary math functions (sin, cos, log, exp, etc.) across vector architectures.

C library implementing content-aware image resizing via seam carving algorithm.

C library for reading and writing MATLAB MAT files, with support for HDF5-based formats.

Apache Kafka C/C++ client library for high-performance producers and consumers.

Cross-platform C++ GUI toolkit (v3.2 branch) for building native desktop applications on Windows, macOS, and Linux.

C library for WebSocket servers and clients with HTTP/2, QUIC, and TLS support.

High-performance C library for event-driven programming with support for multiple I/O multiplexing backends.

C++ library for solving large-scale nonlinear optimization and least-squares problems.

MPEG-4 video codec library with fast, high-quality encoding and decoding.

C library for decoding ARIB STD-B24 Japanese subtitles and MPEG-TS captions.

Fast, low-memory OCI container runtime and C library for running Linux containers per the OCI specification.

C client library for connecting to MariaDB and MySQL databases with SSL and compression support.

C library for video stabilization that detects and smooths camera shake in hand-held footage.

C library and command-line tools to get, set, and list extended attributes on filesystem objects.

GTK+ library providing themeable display objects for Ayatana Indicators on Linux desktops.

Shared library for reading and extracting metadata from audio and video files.

C++ header-only template library for linear algebra (matrices, vectors, solvers, and algorithms).

FFI bindings for Rustls, a memory-safe TLS library written in Rust, enabling use from C, C++, Python and other languages.

C library and daemon for managing QEMU, KVM, Xen, and other hypervisors via a unified API.

C shared library for multi-channel audio mixing, decoding, and DSP effects with support for FLAC, Vorbis, MP3, Opus, and other formats.

C library for generating PDF files with text, images, fonts, and encryption.

Lightweight C library for 2D and 3D graphics data types and operations.

Versioned legacy key-value database library (Berkeley DB 5.3) for C/C++ applications.

C shared library providing a platform-independent interface to Linux kernel seccomp syscall filtering via BPF.

Library and command-line tools for reading barcodes from images and video streams.

PostgreSQL extension adding geographic and spatial data types, functions, and indexes for GIS applications.

C library for HTTP client/server functionality built on GLib, with async I/O and cookie/session handling.

C++ library for physics-based dynamic simulation and robotics algorithms.

C++11 header-only library for parsing command-line arguments with intuitive API design.

Fast, lightweight C library for encoding GIF images and animations with color quantization and optimization.

C++ physics simulation library with Python bindings for real-time rigid-body dynamics.

Pluggable Authentication Modules (PAM) library for Linux user authentication and session management.

JPEG encoder library with improved compression efficiency, compatible with libjpeg API.

C library providing backward-compatible USB device access API wrapping libusb 1.0.

Shared library providing AMPL Solver Library (ASL) for mathematical optimization modeling and solver integration.

C library for reading MaxMind DB geolocation and IP intelligence database files.

C library for parsing and generating JSON with a streaming API.

C library providing utility functions and extensions for XCB (X11 protocol communication).

Graph and matrix partitioning library written in C for divide-and-conquer domain decomposition.

C library for reading, writing, and displaying MNG (animated PNG) image files.

Incremental parsing library (version 0.25) for building fast syntax trees from source code.

Perl 5 MySQL driver for the DBI (Database Interface) abstraction layer.

Header-only C library providing hash table, linked list, and dynamic array macros for C structures.

Network extensions for GLib, including TLS and certificate validation via GnuTLS.