Portable ASCII art graphics library

C++ Common Libraries

C library and utilities for Manipulating POSIX Access Control Lists

Simple, modern, secure file encryption

Automatic Language-Agnostic Subtitle Synchronization

Shell plugin manager

Codec library for encoding and decoding AV1 video streams

A command-line tool for downloading APK files from various sources

Swiss army knife for Debian repository management

Cross-platform, multi-format archive utility

Download with resuming and segmented downloading

Concurrency framework for C++11

C library and utilities for Manipulating Filesystem Extended Attributes

Automatic configure script builder

Tool for generating GNU Standards-compliant Makefiles

Automatically restart SSH sessions and tunnels

Light UNIX download accelerator

BLAKE3 cryptographic hash function

Encode and decode base64 files

Bourne-Again SHell, a UNIX command interpreter

Basis Universal GPU texture codec command-line compression tool

Clone of cat(1) with syntax highlighting and Git integration

Cross platform file encryption utility using blowfish

Arbitrary precision numeric processing language

High performance key/value database

Compiler infrastructure and toolchain library for WebAssembly

Implementation of the DNS protocols

A graphical tool to visualize binary data

GNU binary tools for native development

Yacc-compatible Parser generator

Decentralized, peer to peer payment network

Terminal Epub reader

Rust and C implementations of the BLAKE3 cryptographic hash function

Collection of portable C++ source libraries

Draw boxes around text

Cross-platform strong encryption and not detectable proxy. Zero-Configuration

New way to see and navigate directory trees

Generic-purpose lossless compression algorithm by Google

Physics SDK

Burrows–Wheeler-based data compression library and utilities with high compression ratio

Powerful, enterprise-ready, open source web server with automatic HTTPS

Vector graphics library with cross-device output support

Asynchronous DNS library

Modern, C++-native, header-only, test framework

Object-file caching compiler wrapper

C++11 library for serialization

C access to FITS data files with optional Fortran wrappers

GIF encoder written in C

Create and view interactive cheat sheets for *nix commands

C unit testing framework

Manage your dotfiles across multiple diverse machines, securely

Human-friendly and fast alternative to cut and (sometimes) awk

Ultralightweight JSON parser in ANSI C

Rule-based tunnel in Go

Simple and intuitive command-line parser for C++11

Cross-platform make

Static analysis tool for C and C++ code

C++ libraries for cloud-based client-server communication

Unit testing framework for C++

Cross platform C99 library to get cpu features at runtime

CPU INFOrmation library

Implementation of CRC32C with CPU-specific acceleration

Securely send things from one computer to another

Tool for building toolchains

Converts books written in Markdown to HTML, LaTeX/PDF and EPUB

Top-like interface for container metrics

Validate and define text-based and dynamic configuration

Lightweight unit testing framework for C

Power of curl, ease of use of httpie

Get a file from an HTTP, HTTPS or FTP server

Lightweight C++ command-line option parser

Small static webserver without CGI

JSON, YAML, TOML, XML, and CSV query and modification tool

a POSIX-compliant implementation of /bin/sh that aims to be as small as possible

AV1 decoder targeted to be small and fast

Syntax-highlighting pager for git and diff output

File comparison utilities

TCP over DNS tunnel

Passive DNS network mapper (a.k.a. subdomains bruteforcer)

Command-line DNS client

Convert text between DOS, UNIX, and Mac formats

Binary-decimal and decimal-binary routines for IEEE doubles

View disk space usage and delete unwanted data, fast.

a better alternative to 'df'

More intuitive version of du in rust

Friendly and expressive shell

Powerful wavelet image compressor

An extremely fast JavaScript bundler and minifier

Modern replacement for 'ls'

Open source xHE-AAC encoder

XML 1.0 parser

ISO AAC audio encoder

ISO AAC audio decoder

Significantly faster alternative to the classic Unix cp(1) command

Standalone library of the Fraunhofer FDK AAC code from Android

F-Droid client

Simple, fast and user-friendly alternative to find

Simple file manager written in bash

Play, record, convert, and stream audio and video

C routines to compute the Discrete Fourier Transform

Banner-like program prints strings as ASCII art

Utility to determine file types

Collection of GNU find, xargs, and locate

User-friendly command-line shell for UNIX-like operating systems

Free lossless audio codec

Serialization library for C++, supporting Java, C#, and Go

Fast Lexical Analyzer, generates Scanners (tokenizers)

Open-source formatting library for C++

XML-based font configuration tools

a tool for displaying a random quotation

Software library to render fonts

Software library to render fonts

Library to extract data from Excel .xls files

Implementation of the Unicode BiDi algorithm

Find files with SQL-like queries

Filesystem monitor with fanotify and inotify backends

Command-line fuzzy finder written in Go

Fast, simple fuzzy text selector with an advanced scoring algorithm

GNU awk utility

Highly configurable prompt builder for Bash and ZSH written in Go

GNU database manager

Toolkit for image loading and pixel buffer manipulation

Graphics library to dynamically manipulate images

Disk usage analyzer with console interface written in Go

C++ geography library

Geometry Engine

Generate image from source code

Go implementation of the Ethereum protocol

GNU internationalization (i18n) and localization (l10n) library

Library for processing command-line flags

Interpreter for PostScript and PDF

GitHub command-line tool

Library and utilities for processing GIFs

Git extension for versioning large files

Core application library for C

Application-level logging library

Render markdown on the CLI

Utility for directing compilation

GNU multiple precision arithmetic library

Convert text strings to printed bars

GNU File, Shell, and Text utilities

GNU Pretty Good Privacy (PGP) package

GNU Transport Layer Security (TLS) Library

GNU implementation of which utility

Simple golang utility helping to discover large files/folders.

Go git service

a tool for building and running mobile apps written in Go

C++ microbenchmark support library

Google's C++ Testing and Mocking Framework

Deliver Go binaries as fast and easily as possible

A shell parser, formatter, and interpreter with bash support written in golang

Terminal based graphical activity monitor inspired by gtop and vtop

Share your terminal as a web application

Go cross compile tool

Apply a diff file to an original

Perfect hash function generator

Ping, but with a graph

Simulator for Microchip's PIC microcontrollers

GNU PIC Utilities

Smart font renderer for non-Roman scripts

Graph visualization software from AT&T and Bell Labs

GNU grep, egrep and fgrep

Command-line tool for generating regular expressions

Next generation open source RPC library and framework

GNU implementation of the famous stream editor

GNU version of the tar archiving utility

Popular GNU data compression program

OpenType text shaping engine

Kubernetes package manager

Automatically generate simple man pages

hexdump library and cli

Command-line hex viewer

Minimalistic client for Redis

Improved top (interactive process viewer)

C library for high-throughput sequencing data formats

Configurable static site generator

Spell checker and morphological analyzer

Portable abstraction of the hierarchical topology of modern architectures

A third-party, open-source ProtonMail CardDAV, IMAP and SMTP bridge

Command-line benchmarking tool

C/C++ and Java libraries for Unicode and globalization

ID3 tag manipulation library

a command-line tool to manage apps on iOS devices

Tools and libraries to manipulate images in many formats

Library of 2D and 3D vector, matrix, and math operations

Image loading and rendering library

Integer Set Library for the polyhedral model

WebSocket client and server, and HTTP client command-line tool

C library for encoding, decoding, and manipulating JSON

Library for manipulating JPEG-2000 images

JBIG2 decoder and library (for monochrome documents)

Command-line interface for Jfrog Artifactory and Bintray

Image manipulation library

Lightweight and flexible command-line JSON processor

Library for interacting with JSON

JSON parser for C

Library for JSON, based on GLib

JSON for modern C++

Helps you navigate your file system faster by learning your habits

A Fast and Reliable ARQ Protocol

Stable & Secure Tunnel based on KCP with N:M multiplexing and FEC

Key directory that maps social media identities to encryption keys

Network authentication protocol

High quality MPEG Audio Layer III (MP3) encoder

Simple terminal UI for git commands

Color management engine supporting ICC profiles

Graphical front-end for GCC's coverage testing tool (gcov)

Image processing and image analysis library

Pager program similar to more

Key-value storage library with ordered mapping

Terminal file manager

Adaptive Entropy Coding implementing Golomb-Rice algorithm

Linux-native asynchronous I/O access library

Cross-platform Audio Library

Multi-format archive and compression library

Subtitle renderer for the ASS/SSA subtitle format

Assuan IPC Library

Implementations for atomic memory update operations

Library for encoding and decoding .avif files

Secure hashing function

a password hashing method based on the Blowfish block cipher, provided via the crypt(3) and a reentrant interface.

provide some missing posix threading functions for NDK

Library for writing preformatted data onto optical media: CD, DVD and BD (Blu-Ray)

Convert pixel information into colored ASCII art

Library making programming with POSIX capabilities easier than traditional libcap

Linux Capability Library

CDDB server access library

Compact Disc Input and Control Library

Numeric library for complex error functions

CSS parsing and manipulation toolkit for GNOME

crypt(3) implementation

Double-Array Trie Library

Open h.265 video codec implementation

Heavily optimized DEFLATE/zlib/gzip compression and decompression

BSD-style licensed readline alternative

Asynchronous event library

Asynchronous event library

a quick-n-dirty BSD licensed clone of backtrace facility found in the GNU libc

EXIF parsing library

Portable Foreign Function Interface library

Cryptographic library based on the code from GnuPG

Library and tools for dealing with GeoTIFF

C library of Git core methods that is re-entrant and linkable

glob(3) implementation

Common error values for all GnuPG components

ISO/IEC 23008-12:2017 HEIF file format decoder and encoder

charset conversion library

International domain name library (IDNA2008, Punycode and TR46)

International domain name library

Palette quantization library extracted from pnquant2

Library to communicate with iOS devices natively

Library and utility to talk to iBoot/iBSS via USB

Frontend for libraries libburn and libisofs

Library to create an ISO-9660 filesystem with extensions like RockRidge or Joliet

JPEG image codec that aids compression and decompression

New file format for still image compression

X.509 and CMS library

C/C++ seam carving library

library provides message digest functions found on BSD systems

Unified display of technical and tag data for audio/video

C library to parse Metalink XML files

Go-style concurrency in C

Minimalistic Netlink Library based Linux kernel interfaces

C library for the arithmetic of high precision complex numbers

C library for creating IP packets

Netlink Library based Linux kernel interfaces

Ogg Bitstream Library

Packet(TCP/IP) Capture libray

C++ Phone Number library by Google

Library for manipulating pipelines of subprocesses in a flexible and convenient way

Library for Apple Binary- and XML-Property Lists

Library for manipulating PNG images

C library for the Public Suffix List

Library for Qalculate! program

Library for complex text layout

Library to store and retrieve huge raster coverages

Library for reading RAW files from digital photo cameras

Library to render SVG files using Cairo

RT Topology Library

Library for sample rate conversion of audio data

C/C++ implementation of a Sass compiler

Library for handling page faults in user mode

Library to Access SMI MIB Information

C library for files containing sampled sound

A modern, portable, easy to use crypto library.

Adds spatial SQL capabilities to SQLite

Small library for rendering Postscript documents

C library for reading and writing PNG format files

C library implementing the SSH2 protocol

ASN.1 structure parser library

Thai language support library

TIFF library and utilities

Port of Sun's Transport-Independent RPC library to Linux

Generic library support script

BitTorrent library with a focus on high performance

an efficient feature complete C++ bittorrent implementation focusing on efficiency and scalability.

line breaking and word breaking algorithms

C string library for manipulating Unicode strings

C API for determining the call-chain of a program

Portable UPnP development kit

A socket daemon to multiplex connections from and to iOS devices.

USB multiplexor library for iOS devices

Library for USB device access

Multi-platform support library with a focus on asynchronous I/O

Perceptual video quality assessment based on multi-method fusion

Vorbis General Audio Compression Codec

VP8/VP9 video codec

WebM container

Image format providing lossless and lossy compression for web images

C websockets server library

wordexp(3) implementation

GNOME XML library

C XSLT library for GNOME

YAML Parser

C library includes YUV conversion and scaling functionality

Unified display of technical and tag data for audio/video

C library for reading, creating, and modifying zip archives

High-performance, asynchronous messaging library

Small memory footprint, flexible web-server

Lynx-like WWW browser that supports tables, menus, etc.

live video streaming server in golang

http_parser replacement

Lightning memory-mapped database: key-value data store

Lightning Network Daemon

PNG encoder and decoder in C and C++

Logging Framework for C++

Rainbows and unicorns in your console

Compression program with a very high compression ratio

Next generation ls command

Utility to list open files

Just-In-Time Compiler (JIT) for the Lua programming language

Powerful, lightweight programming language

A fast, small, safe, gradually typed embeddable scripting language derived from Lua

Fast, async, resource-friendly link checker

Text-based web browser

Extremely Fast Compression algorithm

LZMA-based compression program similar to gzip or bzip2

File compressor

Real-time data compression library

Static reflection for enums (to string, from string, iteration) for modern C++

Cryptographic & SSL/TLS library

Fly through your shell history

C Markdown parser. Fast. SAX-like interface

Create modern online books from Markdown files

Unified display of technical and tag data for audio/video

memory-safe and OpenSSL-compatible TLS library

Compact general purpose allocator

Zip file manipulation library with minizip 1.x compatibility layer

C library for zip/unzip via zLib

implements the zlib (RFC 1950) and Deflate (RFC 1951) compressed data format specification standards.

wiki manage service

Modern Linker

Improved JPEG encoder

C library for multiple-precision floating-point computations

MP3 player

Multiple Precision Integers and Rationals (fork of GMP)

Lightweight implementation of the Ruby language

Library for a binary-based efficient data interchange format

Socket library in C

Free (GNU) replacement for the Pico text editor

Netwide Assembler (NASM) is an 80x86 assembler

Interactive cheatsheet tool for the command-line

NCurses Disk Usage

Text-based UI library

Fast, highly customisable system info script

Image manipulation

Low-level cryptographic library

HTTP/2 C Library

HTTP/3 library written in C

HTTP(S) server and reverse proxy, and IMAP/POP3 proxy server

QUIC library written in C

Small build system for use with gyp or CMake

JSON for modern C++

Nanomsg-next-generation -- light-weight brokerless messaging

Tiny, lightning fast, feature-packed file manager

New GNU portable threads library

Fish-like, POSIX-compatible shell

Not Too Bad TLS library

NUMA support for Linux

Modern shell for the GitHub era

Light and powerful C++ web framework for highly scalable and resource-efficient web application

Pluggable transport proxy for Tor, implementing obfs4

high-performance audio library for Android

Regular expressions library

Implementation of the OpenAL 3D audio API

Optimized BLAS library

Color management solution geared towards motion picture production

High dynamic-range image file format

Library for JPEG-2000 image manipulation

High quality, portable, open source libm implementation

High performance message passing library

Cryptography and SSL/TLS Toolkit

Cryptography and SSL/TLS Toolkit

Audio codec

Library to load and enumerate PKCS#11 modules

7-Zip (high compression file archiver) implementation

a packrat parser generator for C

Framework for layout and rendering of i18n text

Modify dynamic ELF executables

Perl compatible regular expressions library with a new API

Perl compatible regular expressions library

Highly capable, feature-rich programming language

The fastest file download client

Library to provide abstract access to various archives

Parallel gzip

Low-level library for pixel manipulation

C library for multimedia protocols such as SIP, SDP, RTP and more

Manage compile and link flags for libraries

Reimplementation of pkg-config

Portable, simple and extensible C++ logging library

PNG image optimizing utility

C++ class libraries for building network and internet-based applications

Library like getopt(3) with a number of enhancements

Modern replacement for ps written by Rust

Coreutils progress viewer

Cartographic Projections Library

Cartographic Projections Library

a user-space implementation of chroot, mount --bind, and binfmt_misc.

Protocol Buffers(data interchange format) compiler and library developed by Google

Parse HTML at the command-line

Implementation of Telnet and SSH

Seamless operability between C++11 and Python

C++ functions matching the interface and behavior of python string methods with std::string

Interpreted, interactive, object-oriented programming language

QR Code generation

Savoury implementation of the QUIC transport protocol and HTTP/3

Small and embeddable JavaScript engine

A Minimal, Header only Modern c++ library for terminal goodies

JSON parser/generator for C++ with SAX and DOM style APIs

Fastest and safest AV1 video encoder

Rsync for cloud storage

Generate C-based recognizers from regular expressions

Alternative to backtracking PCRE-style regular expression engines

Library for command-line editing

Fast, efficient and secure backup program

Utility for computing and verifying hash sums of files

Search tool like grep and The Silver Searcher

Readline wrapper: adds readline support to tools that lack it

Sass reimplemented in rust with nom.

Utility that provides fast incremental file transfer

Tool for downloading RTMP streaming media

Ncurses BitTorrent client based on libtorrent-rakshasa

Experimental Rust compiler front-end for IDEs

Wrapper around libsass that helps to create command-line apps

Fast and accurate code counter with complexity and COCOMO estimates

Low-level access to audio, keyboard, mouse, joystick and graphics

Intuitive find & replace CLI

Shell Script Compiler

HTTP-server to execute shell commands.

Simple bookmark manager built with Go

Create beautiful image of your source code

Prints a steam locomotive if you type sl instead of ls

Compression/decompression library aiming for high speed

Audio processing library

Super fast C++ logging library

Speex audio processing library

Audio codec designed for speech

Command-line interface for SQLite

Cross-shell prompt for astronauts

Opinionated Lua code formatter

a go-lang supervisor implementation

Network IDS, IPS, and security monitoring engine

Generate scripting interfaces to C/C++ code

Open source continuous file synchronization application

Implementation of extended-Rice lossless compression algorithm

Audio metadata library

Hierarchical, reference-counted memory pool with destructors

Rich and complete approach to parallelism in C++

Glib-like multi-platform C library

Tiny C compiler

Tool Command Language

Command-line packet(TCP/IP) analyzer

Top Disk Usage

Very fast implementation of tldr in Rust

Modernized, complete, self-contained TeX/LaTeX engine

Fast script language for Go

OCR (Optical Character Recognition) engine

C test project

Official documentation format of the GNU project

Open video compression format

Text interface for Git repositories

a simple, small, efficient, C++ XML parser library

Terminal multiplexer

TOML for Modern C++

TOML config file parser and serializer for C++

Display directories as trees (with optional color/HTML output)

Command-line tool for sharing terminal over the web

Converts a ttyrec file into gif files

Terminal interaction recorder and player

A free command line compiler for Twine/Twee story formats

Validating, recursive, caching DNS resolver

Maintained ctags implementation

Extract, view, and test RAR archives

Extraction utility for .zip compressed archives

A socket daemon to multiplex connections from and to iOS devices.

single header utf8 string functions for C and C++

Clean C library for processing UTF-8 Unicode data

UTF-8 with C++ in a Portable Way

Collection of Linux utilities

Compiler for the GObject type system

HTTP load testing tool and library

Vi IMproved - enhanced vi editor

Command-line interface for VirusTotal

Secure FTP server for UNIX

Web Assembly Binary Toolkit

High performance WebAssembly interpreter

Execute commands when watched files change

HTTP-server to execute shell commands.

C++ websocket client/server library

Internet file retriever

Embedded SSL Library written in C

Interactive cli tool for HTTP inspection

H.264/AVC encoder

H.265/HEVC encoder

Cross-platform build utility based on Lua

ISO9660+RR manipulation tool

A command line XML parsing tool

High-performance, high-quality MPEG-4 video library

Extremely fast non-cryptographic hash algorithm

General-purpose data compression with high compression ratio

YAML parser and emitter written in C++ for YAML 1.2 spec

Yet another assembler, a complete reimplementation of NASM

Download Youtube Video in Golang

a lightweight and portable command-line YAML processor

The fastest JSON library in C

Compression and file packaging/archive utility

Zlib replacement with optimizations for next generation systems

General-purpose lossless data-compression library

High-performance C logging library

Z Shell

Zstandard is a real-time compression algorithm

File transfer program