Jira may be extremely sluggish and require a large amount of memory on the client side.
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.
RocketDock - RocketDock is a Mac OS X dock clone.
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.
ObjectDock - ObjectDock is the most popular animated dock for Windows.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.
Winstep Nexus - The Winstep Nexus Dock is a FREE* professional dock for Windows. With Nexus, your most frequently used applications are only a mouse click away - and Nexus turns working with your computer into a fun and exciting experience.