Company Edwin Groothuis created these great apps:
L-Space - Discworld, The FreeBSD Project, L-Space - Wheel of Time, L-Space - Yoko Tsuno, High-Speed TCP Buffer Settings, Download Estimator, Geocube, Geocaching Australia stickers, Chart your GNSSr, Rubiks Cube Guide, xkcd: Specials, ARGeocaching, and others..
