Python 3.11 interpreter — dynamically-typed language runtime with standard library.

C library for parsing and generating ASN.1 data structures.

Audio codec library for lossy compression of voice and music.

Cryptographic library providing symmetric, asymmetric, and hash algorithms for C/C++ applications.

Open-source C library implementing the H.265/HEVC video codec decoder with multithreading and SSE optimizations.

C++ shared library providing common utilities for strings, containers, synchronization, and time handling.

C library for parsing and emitting YAML data structures.

Bash/Zsh shell tool to install and switch between multiple Node.js versions per-project or globally.

Fast AV1 video encoder library and command-line tool written in C.

Command-line HTTP/HTTPS/FTP client with support for TLS, compression, and SSH transfers.

Shared library implementing VP8 and VP9 video codecs.

C library providing programmatic access to GnuPG encryption and signing operations.

BSD-licensed readline alternative shared library for command-line editing and history.

GNU binary tools including assembler, linker, and object-file utilities for native development.

C library and command-line tools for encoding and decoding AV1 Image Format (.avif) files with support for all YUV formats and bit depths.

Command-line utility to extract files from ZIP archives.

Command runner for project-specific recipes, written in Rust; simpler alternative to Make.

C library for X.509 certificate and CMS message parsing and validation.

High-quality MP3 encoder library and command-line tool for converting audio to MPEG Layer III format.

Fast, small build system designed to work with CMake and Gyp, written in C++.

Shared library build tool that generates portable scripts for compiling, linking, and installing cross-platform libraries.

C library implementing modern and legacy password hashing algorithms (bcrypt, scrypt, SHA-crypt, yescrypt, and others).

AI coding agent for terminal, uses LLMs to generate and refactor code with ripgrep integration.

Kubernetes package manager for templating, packaging, and deploying applications as reusable charts.

Shared library for Thai language text processing and word segmentation.

H.264/AVC video encoder library and command-line tool written in C.

C library for parsing and manipulating XML documents with XPath and XSLT support.

IPC message bus system enabling inter-process communication on desktop and embedded systems.

Command-line interface for communicating with Kubernetes clusters via the API.

Validating recursive caching DNS resolver daemon with DNS-over-TLS/HTTPS support, written in C.

OCR engine that converts scanned images and PDFs into searchable text via command-line or library API.

Universal document converter between Markdown, LaTeX, HTML, DOCX, EPUB, and 30+ markup formats.

C library for arbitrary-precision complex number arithmetic.

PostgreSQL C client library for building database applications and command-line tools.

C library implementing double-array trie data structure for efficient string prefix matching and lexical analysis.

Graph visualization software that renders structured diagrams from plain-text graph descriptions (DOT language).

C++ inference engine for running LLaMA and other large language models locally on CPU/GPU.

GNU Autoconf generates portable configure scripts from template files (autoconf is a build-system generator written in M4).

GitLab command-line client for managing issues, merge requests, pipelines, and CI/CD from the shell.

C library implementing the Unicode Bidirectional Algorithm for right-to-left text rendering.

Hyperextensible Vim-fork text editor with modern plugin architecture, written in C.

Portable C library for network communication and cryptography with a modern, audited API.

C library and CLI tools for reading and writing tar, cpio, zip, ISO, and other archive formats.

Systems programming language with memory safety, ownership-based concurrency, and zero-cost abstractions.

Native macOS GUI app for disk cleanup, software management, and system monitoring — not a command-line tool.

LDAP directory server and client library suite implementing directory protocols for user/group management.

Passphrase entry dialog for GnuPG using the Assuan protocol.

PostScript and PDF interpreter with rendering, conversion, and text extraction capabilities.

C++ bindings library for GPGME, providing object-oriented access to GnuPG cryptographic operations.

GNU reference implementation demonstrating standard C coding practices and build conventions.

Swift linter and static analyzer enforcing style conventions and code quality rules.

C library for arbitrary-precision floating-point arithmetic with correct rounding.

C library providing cross-platform abstractions for system calls, threads, I/O, and memory management.

C library for integer sets and polyhedral computations used by compilers and symbolic math tools.

C shared library for inter-process communication used by GnuPG and related tools.

Go client for Cloudflare Tunnel, exposing local services to the internet through Cloudflare's edge network without opening firewall ports.

Command-line MP3 player and decoder library for UNIX systems.

In-memory key-value database with persistence, pub/sub, and Lua scripting; runs as a standalone daemon or cluster.

Rust CLI tool for generating and validating command-line interfaces from usage specifications.

C library for Unicode normalization, case-folding, and grapheme analysis of UTF-8 text.