Communication interface library for usbmuxd

http://marcansoft.com/blog/iphonelinux/usbmuxd

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

https://github.com/libuv/libuv

Audio compression codec library

https://www.xiph.org/vorbis/

VP8/VP9 Codec SDK

http://www.webmproject.org/

Implementation of a VT220/xterm/ECMA-48 terminal emulator

https://www.leonerd.org.uk/code/libvterm/

Library for encoding H.264/MPEG-4 AVC video

http://www.videolan.org/x264.html

Extended crypt library for descrypt, md5crypt, bcrypt, and others

https://github.com/besser82/libxcrypt

XML parser library for GNOME

http://xmlsoft.org/

Module rendering library for xmp

https://xmp.sourceforge.net/

The XSLT C library for GNOME

http://xmlsoft.org/XSLT/

YAML 1.1 parser and emitter written in C

http://pyyaml.org/wiki/LibYAML

Library for decrypting and parsing YubiKey One-Time Passwords

https://developers.yubico.com/yubico-c/

Linux compatibility layer - DVB ioctl handler

https://people.freebsd.org/~nox/dvb/

Linux-compatibility LibUSB

https://github.com/hselasky/linux_libusb

OpenLDAP Lightning Memory-Mapped Database

http://symas.com/mdb/

Lists information about block devices in the system

https://github.com/vermaden/lsblk

Display information about the CPU architecture

https://github.com/NanXiao/lscpu

Lists information about open files (similar to fstat(1))

http://people.freebsd.org/~abe/

Just-In-Time Compiler for Lua

https://luajit.org/luajit.html

Just-In-Time Compiler for Lua (OpenResty branch)

https://github.com/openresty/luajit2

In-memory benchmark of open-source LZ77/LZSS/LZMA compressors

https://github.com/inikep/lzbench

Bonjour (zero-configuration networking) by Apple

https://developer.apple.com/bonjour/ https://github.com/apple-oss-distributions/mDNSResponder

Command-line make-like build tool using Go as input files

https://magefile.org/

Convert nroff(1) man pages to HTML

https://invisible-island.net/scripts/man2html.html

CLI for previewing mandoc manual pages with live auto-reload in a pager

https://github.com/0mp/mantra

Cross-browser JavaScript display engine for mathematics

https://www.mathjax.org/

Cross-browser JavaScript display engine for mathematics

https://www.mathjax.org/

Webapp of Mattermost server

https://mattermost.org/

Wrapper script for the various installations of Maven

Implementation of new/posix awk

http://invisible-island.net/mawk

Collects and decodes Machine Check Exception data

http://mcelog.org/

Multi-dimensional data index algorithm

https://gitlab.com/mdds/mdds

Yet Another Part-of-Speech and Morphological Analyzer

https://code.google.com/p/mecab/

Japanese Morphological Dictionary for MeCab (EUC-JP)

https://taku910.github.io/mecab/

Japanese Morphological Dictionary for MeCab (Shift JIS)

https://taku910.github.io/mecab/

Japanese Morphological Dictionary for MeCab (UTF-8)

https://taku910.github.io/mecab/

MeCab dictionary from Wikipedia (Japanese edition)

https://github.com/tokuhirom/jawiki-kana-kanji-dict

Stand alone memory test for x86 architecture computers

http://www.memtest86.com/

Mesh Quality Improvement Toolkit is a suite of mesh algorithms

https://www.sandia.gov/ccr/project/mesquite/

Small, fast Emacs-like editor

WWW front end for mail archives

https://www.mhonarc.org/

Helper scripts for MidnightBSD development

C single header audio playback and capture library

https://miniaud.io/ https://github.com/mackron/miniaudio

An MS-DOS Telix serial communication program "workalike"

http://alioth.debian.org/projects/minicom/

Amazon S3 compatible object storage server

https://minio.io/

Replacement for ls, cp, mkdir, diff and rsync commands for filesystems

https://minio.io/downloads/

Zip library and programs from Zlib distribution

http://www.winimage.com/zLibDll/minizip.html

Programs to make BDF font bold/italic

https://gitlab.com/unshumikan/mkbold-mkitalic/

CGI helping mapping a message id to an archived mail

https://fossil.nours.eu/mlmmj-archive-mid

Simple mailing archiver designed for mlmmj

https://fossil.nours.eu/mlmmj-archiver