Construct

Download Link: http://www.scirra.com/
Discussion Thread: viewtopic.php?f=6&t=65766
Support Forums: viewforum.php?f=292

Producer: Scirra
Price: Free / open source

Construct is a game development suite that publishes to HTML5 and is very easy to use. No programming knowledge is required and it's used in some of the best games on HBGames.org.

Screenshots