Jira may be extremely sluggish and require a large amount of memory on the client side.
Sugar Sell - Sugar Sell is a customer relationship management and sales automation software that can be used by salespeople, marketers, account executives, and support teams.
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.
Goldmine CRM - Goldmine CRM is a Customer Relationship Management software that helps you build and manage your contact list, send follow-up emails, track your results and build better customer relationships using customer data and insights.
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.
YetiForce CRM - Yetiforce helps companies best utilize free professional opensource CRM to lower costs and improve performance throughout the entire communication structure.
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.