Jira may be extremely sluggish and require a large amount of memory on the client side.
Bilingua - Bilingua: your language exchange app & learning companion.
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.
Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.
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.
LingQ - Learn languages by immersing yourself in a world of interesting, authentic content!
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.