ECL (Embeddable Common-Lisp) is an interpreter of the Common-Lisp language as described in the X3J13 Ansi specification, featuring CLOS (Common-Lisp Object System), conditions, loops, etc, plus a translator to C, which can produce standalone executables.

ECL supports the operating systems Linux, FreeBSD, NetBSD, OpenBSD, OS X, Solaris and Windows, running on top of the Intel, Sparc, Alpha, PowerPC and ARM processors.

Thin wrapper over POSIX syscalls.

The purpose of libfixposix is to offer replacements for parts of POSIX whose behaviour is inconsistent across *NIX flavours.

Doom 64 EX+ is a continuation project of Samuel "Kaiser" Villarreal's
Doom 64 EX aimed to recreate DOOM 64 as closely as possible with
additional modding features.

Doom64EX is a reverse-engineering project aimed to recreate
Doom64 as close as possible with additional modding features.

You must place file DOOM.WAD (case-sensitive) from the Steam or GOG version
of Doom 64 into either folder /usr/share/games/doom64ex-plus or ~/.local/share/doom64ex-plus

A fork of the popular GLQuake descendant QuakeSpasm with a focus on high performance instead of maximum compatibility, with a few extra features sprinkled on top.

Game files (id1 directory containing pak files) must be found for ironquake to work:
- if the Quake Steam remaster is installed, game files may be found automatically
- id1 directory can be placed as a sub-directory of ~/.ironwail
- you can start ironwail with option -basedir <install_dir>, where <install_dir> is the directory containing the id1 folder

The COLLADA Document Object Model (DOM) is an application programming
interface (API) that provides a C++ object representation of a COLLADA XML
instance document.

CPU monitoring software for 64-bit processors.

https://github.com/cyring/CoreFreq

Tool for undervolting and throttling limits alteration for Intel CPUs. Undervolting works on Haswell and newer CPUs

A key remapping daemon for linux

Upmpdcli turns MPD, the Music Player Daemon into an UPnP Media Renderer,
usable with most UPnP Control Point applications, such as those which run
on Android tablets or phones.

Qt5-based UPnP AV / OpenHome audio Control Point

A C++ base UPnP library, derived from Portable UPnP, a.k.a libupnp

C++ API over libnpupnp or libupnp, used mainly for upmpdcli and upplay

Nyxt is a keyboard-oriented, extensible web-browser designed for power users. It has familiar key-bindings (Emacs, VI, CUA), is fully configurable and extensible in Lisp, and has powerful features for productive professionals.