Freeplane - Freeplane is a powerful and free software for building mind maps.
Colorcube - Turn pieces and blend colors in this minimal puzzler
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.
Rubek - Rubek is a Single-player and Puzzle video game that is brought to you by Xigma Games.
SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.
Speedcube - A simple and elegant Rubik's cube solve timer