Apps similar to Space Ball include Rasmol, which is free and open source. Other options are QuteMol, Fly BalloonFly! and RasTop. In total there are four apps like Space Ball for Mac, Windows, Linux, iPhone and iPad.
RasMol is a computer program written for molecular graphics visualization intended and used primarily for the depiction and exploration of biological macromolecule structures, such as those found in the Protein Data Bank.
QuteMol is an open source (GPL), interactive, high quality molecular visualization system. QuteMol exploits the current GPU capabilites through OpenGL shaders to offers an array of innovative visual effects.
Guide Your Balloon Through the Skies in Fly Balloon, Fly! 1.4 - Update
Players are challenged to navigate their balloon through the skies in this simple but addictive game. The balloon must avoid hitting the flying swords or the game is over. Version 1.4 includes several importa.
RasTop is a molecular visualization software adapted from the program RasMol, which was initially developed by Roger Sayle. RasTop is particularly adapted for educational purposes and for the rapid analysis of macromolecules at the bench.
