Jira may be extremely sluggish and require a large amount of memory on the client side.
Paco - Never miss a thing on Slack — be more calm and productive
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.
awesome - A dynamic window manager for the X Window System developed in the C and Lua programming languages.
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.
Lowdown - Lowdown unleashes the valuable content locked within Slack and emails it to your members so they don't miss key information.
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.