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.
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.
Pivotal Tracker - Pivotal Tracker: The awesome, lightweight, agile project management tool for software teams. Get your 30-day Free Trial started today!
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Slack - A messaging app for teams who see through the Earth!
TargetProcess - Agile Project Management Web Application