Dizzy Dwarves - The Heartstone has been stolen!
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.
Topgolf - Golf driving range with point-scoring games for all levels
Freeplane - Freeplane is a powerful and free software for building mind maps.
Flappy Creator - Create your very own Flappy Bird parody game.
Pencil Project - Single-user mockup / wireframing / diagramming tool