Jira may be extremely sluggish and require a large amount of memory on the client side.
BSI Knowledge Manager - Central document management & knowledge base
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.
Walkaround - Walkaround is a variant of Wave, based on the Apache Wave code base, that runs on App Engine.
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.
LSG Advocator System - Ready to meet the only legal billing software you will ever need? LSG is a global leader in the provision of Enterprise Legal IT Solutions, legal applications software and more. Request a demo today!
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.