Jira may be extremely sluggish and require a large amount of memory on the client side.
Challonge - The Ultimate Source for Tournament Brackets
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.
smash.gg - An esports platform empowering bottoms-up growth of competitive communities with value-add services...
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.
SportsEngine - SportsEngine is an online platform that helps users in finding youth sports programs or articles or news on different sports.
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.