Pixelmator is a popular commercial image editing software for Mac OS X users.
Inspired by Max Berry's book, Jennifer Government, NationStates is one of the most popular online simulation games. The forum boasts over 5 million posts and 200,000 users.
It is the Italian Community for Ubuntu, a popular open source community operating system based upon the the Debian Linux Distribution.
OpenCart is popular, powerful, and easy to use shopping cart software. Their healthy community forums are powered by phpBB.
Password Manager, Auto Form Filler, Random Password Generator & Secure Digital Wallet App.
The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums.