Also, the proof-of-concept AcceptBit solution takes things in a different direction altogether with a trust-free payment processor.

FORBES: Largest Bitcoin Payment Processor Raises $510,000 Angel Round

Mac requirements: MacOS X 10.5 Leopard, Intel Processor, 100 MB of free space.

ENGADGET: Clickfree gone wild at CES: 1TB drive, Mac support and online backup

With the free, downloadable word processor, OmmWriter, students can turn their entire back screen white or choose from four backgrounds, such as a snowy landscape.

FORBES: Magazine Article