Aleph One: Marathon 2012.5.15

A very complete Unreal Tournament-type first person shooter - for free

Conquer the world with this free, open-source variation on Sid Meier's Civilization

Play old Atari 2600 VCS games on your PC or Mac

A first-person  shooter in under 100KB

Online golf as an MMORPG

Take the Sudoku to the next level with this challenging puzzler

Notepad replacement that is well designed for editing code

Quickly detect and remove malicious processes (and a few others, probably)

Quickly detect and remove malicious processes (and a few others, probably)

Quickly create industry-standard PDF files from any printable document

A very, very, very fast way to find the files and folders hogging your hard drive space

Explore dozens of powerful windows tweaks and customisations from one straightforward program

Automatically block annoying ads in seconds with this essential Chrome add-on

Seek out and destroy the most common malware with a click

Speed-optimized 64-bit version of Firefox portable designed for the best possible performance

Seek out and destroy the most common malware with a click