Stylebot - Change the appearance of websites instantly. Preview and install styles created by other users on stylebot.me
Nonograms Katana - Nonogram puzzle game with gorgeous, Japanese influenced visuals.
FreeStylerWs - Styles and skins for all popular sites in the web
Picross puzzle generator - Picross game and puzzle generator implemented in JavaScript.
Stylem - A user style manager for Pale Moon, Basilisk, Interlink, SeaMonkey, and other Mozilla-based software. Install styles from userstyles.org to change how web pages and the application look.
Ordinary Puzzles - A minimalistic puzzle game inspired by Picross and Sudoku.