iMeme

A free app for Mac, by Michael Flogleman

Changes the IP address to a different country

Complex open-source application designed by Fabrice Bellard to simulate an entire operating system via Mac

An extension that unlocks regional content regardless of current location and geographical restrictions

A freemium VoIP client that allows Mac and Windows users to make phone calls online

This open source browser project serves as the test bed for a number of Chrome features