I haven't found a good task manager yet that actually helps me get things done. I loved the OmniFocus when I was still on OSX, but I've moved to Windows and I wasn't able to find a good replacement. Like any geek, I've decided to roll my own. ...
An HTML5 Bomberman clone using node.js, socket.io, Backbone, Underscore, jQuery, CSS3 (via Compass + Sass)