Jira may be extremely sluggish and require a large amount of memory on the client side.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
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.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
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.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
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.