C++ XML parser library with low memory footprint and minimal dependencies.

DNS library in C with DNSSEC support and high-level packet manipulation API.

C library and CLI tools for reading DICOM whole-slide medical imaging files with minimal dependencies.

C++ testing framework with mocking support for unit and integration tests.

Python library for parsing and handling package metadata, versions, and requirements.

C library for reading whole-slide microscopy images in multiple formats (SVS, VMS, Zeiss, etc.).

C library for parsing and generating Apple binary and XML property list formats.

C shared library for constructing and manipulating topology networks and geometries.

C++ toolkit for 3D graphics, image processing, and scientific visualization with Python bindings.

X11 Screen Saver extension client library for querying and controlling screen saver state.

PostgreSQL extension for vector similarity search with support for multiple distance metrics and approximate nearest-neighbor queries.

C99 shared library providing AWS SDK utilities like ARN parsing and profile reading.

Real-time software synthesizer and MIDI player that renders SoundFont 2 files to audio, with both command-line and library interfaces.

GNU SASL library and command-line tool for authentication protocol negotiation.

C++ library for computational geometry operations, used by spatial databases and GIS tools.

LLVM 21.x compiler infrastructure toolkit: C/C++ frontend, optimization passes, code generators, and toolchain components.

Shared-memory synchronization primitive library for X.Org display server interprocess coordination.

C library for communicating with iOS devices over USB, handling protocol multiplexing and device enumeration.

C image processing library and command-line tool for converting, resizing, and manipulating images.

C library implementing VA-API for hardware-accelerated video encoding, decoding, and processing on Intel and AMD GPUs.

Shared library for Ayatana Indicators, a GTK-based StatusNotifierItem implementation for desktop environment system trays.

C library suite for sparse matrix algorithms and decompositions.

C library for converting text between character encodings (ASCII, Unicode, ISO-8859-*, etc.).

Open-source fulltext search engine and column store written in C with plugin support.

Open-source audio codec optimized for speech compression, written in C.

C library that simplifies access to OpenGL extensions across platforms.

Header-only C++ library for creating Python bindings from C++11 code with minimal boilerplate.

Shared library for sending desktop notifications to a notification daemon via D-Bus.

C library providing utilities for writing UNIX daemon processes.

Shared library providing NIS/YP client interface, separated from glibc with IPv6 support via TI-RPC.

High-performance asynchronous HTTP client library written in C, used as a dependency for Subversion and other tools.

C++ shared library for rapid encoding and decoding of raster images using LERC (Limited Error Raster Compression) format with user-defined error bounds.

C library for reading and writing GeoTIFF geospatial metadata in TIFF files.

C99 shared library for parsing and manipulating HTML5 documents.

Fast C++ logging library with header-only and compiled modes, supporting multiple sinks and formatters.

Shared C library providing common system API utilities for libimobiledevice iOS device communication.

Python 3 bindings for the Cairo vector graphics library.

Swift code generator and runtime library for Protocol Buffers serialization.

Shared library of AMR-NB/AMR-WB speech codecs extracted from Android's OpenCORE framework.

GPU-accelerated image and video processing library with Vulkan/OpenGL/Metal backends for high-quality rendering pipelines.

High-performance message passing library for distributed and parallel computing on clusters and supercomputers.

Tcl/Tk GUI bindings for Python 3.13, enabling graphical interface development.

Interior point optimizer library for solving large-scale nonlinear optimization problems.

Header-only C++ library providing single-file JSON parsing and serialization for C++11 and later.

Shared library for GTK application indicators and status notifier items on non-Unity desktops.

C library for communicating with Apple's Tatsu Signing Server (TSS) to handle device signing requests.

C/Fortran library for storing and retrieving structured/unstructured CFD simulation data in HDF5 format.

Shared library implementing the DBusMenu protocol for GLib/GTK+3 applications.

C library for fast, block-oriented lossless compression with shuffle filters.

C library and command-line tool that detects character encoding in text files and streams.

Python library and command-line tool to convert HTML/CSS to PDF documents.

High-performance JSON parser and generator library written in ANSI C.

GNOME icon theme providing a comprehensive set of scalable SVG icons for desktop applications.

Open-source Remote Desktop Protocol (RDP) client and server library for X11 and other platforms.

C++ library for parsing, generating, and manipulating KML and KMZ geographic data files.

C++ library and reference codec for Google's Ultra HDR image format, enabling HDR image compression and decoding.

C library for reading and extracting data from Microsoft Excel .xls files.

C library and command-line tool for generating RFC 4122 UUIDs with BSD licensing.

X.Org shared library providing network transport abstractions for X11 clients and servers.

C library for OS-independent pseudo-TTY management and session handling.