Jira may be extremely sluggish and require a large amount of memory on the client side.
Peerlist - Peerlist is a community-led professional network for people in tech with powerful work profiles at its core.
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.
Ants Toolbox - Learn using the very best tutorials from all over the Internet, submitted and voted for by the community.
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.
Read.CV - Mindful professional profiles
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.