Jira may be extremely sluggish and require a large amount of memory on the client side.
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.
Chattp - Chattp is the software that simply converts your page into chat by augmenting the browser Windows.
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.
JabbR - A chat application built with ASP.NET and SignalR.
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.
OpenPalace - OpenPalace is an open-source platform that is used to chat in a 2D graphical way by selecting any avatar.