7todos - A task board for indie hackers

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.

Butterfly - Butterfly is the web platform & chat-bots that offer real-time coaching to continuously develop managers based on their team's feedback.

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.

Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

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.