Cross-platform C widget toolkit for building graphical user interfaces with GLib integration.

C shared library for X11 display resizing, rotation, and reflection control.

Vulkan ICD loader library that bridges Vulkan applications to GPU drivers and validation layers.

C library for working with triangulated surfaces, commonly used in geospatial and computational geometry applications.

C++ library implementing the Open Neural Network Exchange (ONNX) format for ML model serialization and inference.

Open-source 3D graphics library implementing OpenGL, Vulkan, and other graphics APIs.

C++ shared library for fast binary-decimal and decimal-binary conversion of IEEE 754 doubles.

Header files and API registry for Vulkan, a cross-platform graphics and compute API.

Python client library and CLI for the Hugging Face model hub, with support for downloading and uploading datasets and models.

GSettings schemas for common desktop environment settings like accessibility, display, and input device behavior.

C shared library for rendering ASS/SSA subtitles with advanced styling and effects support.

C++ library for QML and Qt Quick declarative UI framework for building dynamic interfaces.

C library implementing Unicode line-breaking and word/grapheme-breaking algorithms (UAX #14 and #29).

C library and file format for storing and managing large heterogeneous scientific datasets with fast I/O.

C shared library for connecting to and communicating with Redis servers via the Redis protocol.

C Markdown parser with CommonMark compliance, SAX-like callback interface, and high performance.

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

C shared library implementing SSHv1/SSHv2 client and server protocols.

Shared library providing cross-platform abstractions for file I/O, networking, memory management, and threading.

Columnar in-memory data format and analytics library with C++, Python, and multi-language bindings.

X11 Inter-Client Exchange (ICE) protocol shared library for X.Org client-server communication.

C library for computing the Discrete Fourier Transform, optimized for speed across multiple CPU architectures.

API and command-line tools for assembling, disassembling, validating, and optimizing SPIR-V shader modules.

OpenCL C standard library implementation providing built-in functions and types for heterogeneous compute.

Python package build and distribution library; handles packaging, metadata, and installation for Python projects.

C library and command-line decoder for JBIG2 bi-level image compression (ITU T.88/ISO 14492).

C/C++ library for reading, writing, and transforming geospatial raster and vector data across 100+ formats.

SNMP v1/v2c/v3 agent and command-line client library for network monitoring over IPv4 and IPv6.

Cryptographic & SSL/TLS library implementing TLS, DTLS, and X.509 certificate handling (version 3.x)

Secure Reliable Transport library for low-latency video streaming over unpredictable networks.

Language data files for Tesseract OCR engine, enabling optical character recognition in 100+ languages.

C library implementing FIDO2 and U2F hardware authentication protocols, with USB device support.

X11 Session Management shared library for coordinating application state across X sessions.

C library and command-line tool that identifies file types by magic number bytes, not extension.

High-quality audio sample-rate conversion library for resampling PCM audio at arbitrary ratios.

Array computing framework optimized for Apple silicon with NumPy-like Python API.

Collection of Wayland protocol XML specifications and documentation for extending the Wayland display server.

OpenSSL 3.5 — cryptography library and command-line toolkit for SSL/TLS, encryption, and digital signatures.

C library providing utility functions (crypto, XML, database interfaces) for Apache Portable Runtime.

C language bindings and API for MLX, Apple's array computing framework.

Fallback icon theme library providing standard FreeDesktop.org icon hierarchy and naming conventions for desktop environments.

C shared library for parsing and compiling XKB keyboard descriptions, used by Xorg and Wayland applications.

C++ toolkit for optimizing and deploying AI inference models across Intel and other hardware.

C library and tools for discovering and abstracting the hierarchical topology of multi-core, multi-socket, and GPU systems.

C++ wrapper library for AWS runtime libraries providing cross-platform HTTP, MQTT, TLS, and event-loop support.

Compatibility library providing Qt 5 Core APIs removed in Qt 6, enabling migration of legacy code.

Swift framework and command-line tool for parsing Swift AST, extracting docs, and querying SourceKit metadata.

UNIX printing system with IPP support, command-line interfaces (lp/lpr), and a C API for print management.

C++ library providing AWS service clients and low-level APIs for interacting with Amazon Web Services.

GNOME shared library for securely storing and retrieving passwords and secrets via system keyrings.

C library for parsing and generating CBOR (Concise Binary Object Representation) binary data format per RFC 8949.

Qt framework module for building gRPC clients and services in C++ and QML.

C library for Speex audio codec processing, including voice enhancement and echo cancellation.

C library that abstracts OpenGL function pointer management across platforms and GL versions.

Cross-platform C++ UI framework and application development toolkit with 2D/3D graphics, networking, and multimedia support.

Open-source video codec and library for lossy video compression with royalty-free licensing.

X11 shared library for cursor management and rendering in X Window System applications.

GNU C library for embedding HTTP/1.1 server functionality into applications.

Just-in-time compiler and execution engine for GStreamer media pipelines, written in C.

Compiler and library for translating GLSL/HLSL shaders to SPIR-V bytecode for Vulkan.