Jira may be extremely sluggish and require a large amount of memory on the client side.
1st things 1st - Strategic prioritizer that helps you make up your mind.
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.
Gone - An ephemeral to-do list
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.
N-hance.io - Task prioritization tool, inspired by the 7 HABITS book, the #1 Most Influential Business Book of the 20th Century.
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.