KanbanFlow - KanbanFlow is a Lean project management tool allowing real-time collaboration between team members. Supports the Pomodoro technique for time tracking.
Tweetflick - Save, organize & find Tweets to get the most out of Twitter
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.
Twitter Bookmarks - Create shortcuts to your favorite users/tweets on Twitter
Kantree - Kantree is an adaptable and intuitive project manager for the enterprise.
My Twitter Bookmarks - Easily categorize your twitter bookmarks to be read later