Free software programmed in Lua

LiquidFeedback is free software for political opinion formation and decision-making. The software incorporates insights from social choice theory in order to aggregate opinions more effectively.

waifu2x is an image scaling and noise reduction program for anime-style art and other types of photos.

UltraDefrag is a disk defragmentation utility for Microsoft Windows. Prior to version 8.0.0 it was released under the GNU General Public License.

open-source IDE for the Lua programming language

XMPP server and free software

Textadept is a free software minimalist text editor designed for computer programming. Distributed under the MIT license, it is written in C, C++ and Lua and is extensible using Lua. Textadept can use either a graphical user interface or a text-based user interface when running in a terminal window. Textadept uses the Scintilla editing component. Textadept's developer makes the curses wrapper library for Scintilla used by Textadept available separately.