Winds - Open source & beautiful RSS reader
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Cappuccino - Cappuccino is a framework which makes it easy to create advanced web apps.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Free Twitter RSS Feed Generator - Convert Twitter lists, hashtags & searches into RSS feeds
Basecamp - A simple and elegant project management system.