lonesome killer
Banhammered
Pretty cool tool. It's featured on Steam Greenlight. There's a free version to try out with only a few negligible limitations. Or you can purchase a personal copy for around $120 (temporarily on sale on Steam for $100)
Link to different versions (including free)
http://www.scirra.com/store/construct-2
Link to different versions (including free)
http://www.scirra.com/store/construct-2