The latest Humble Weekly Bundle sale offers games and supports several open source initiatives. The Humble Weekly Sale (celebrating open source) offers eight DRM-free games for Mac, Linux, and Windows (and on Steam) for whatever price you want. Pay whatever you want for Magical Diary, NEO Scavenger (Early Access Game), Offspring Fling! and Planet Stronghold.
If you pay $6 or more, you'll also receive Anodyne, Defender's Quest: Valley of the Forgotten, Evoland and Incredipede - along with soundtracks for six of the games and a free demo of Even the Ocean for Windows and Mac.
You can also help support open source projects such as Ren'Py, OpenFL, FlashDevelop, and the Haxe Foundation.
You can find out more about this week's sale here. The Humble Weekly Sale: Celebrating Open Source will end on Thursday, April 3, 2014 at 11:00 a.m. Pacific Time.