Trello for Slack - Organize anything with anyone, inside Slack
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.
Actions from Slack - Turn Slack messages into tickets, issues, tasks, and more.
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.
Slack Jira Integration - Easily keep issues moving right from Slack
Basecamp - A simple and elegant project management system.