What are some alternatives?
When comparing Trajectory and Trello, you can also consider the following products
Route - Now marketing automation is really for Marketers, not Devs
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.
Plainflow - Behavior-based customer journeys for your SaaS
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.
TargetProcess - Agile Project Management Web Application
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.