Jira may be extremely sluggish and require a large amount of memory on the client side.
Aha - Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.
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.
Kendis.io - Kendis is a powerful, swift and simple agile scaling solution for managing multiple projects and agile teams. It is equipped with the tools to plan, track and manage your Scaled Agile Portfolio, Program Increment and Solution Train.
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.
TargetProcess - Agile Project Management Web Application
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.