GitHub Repository Size - Browser extension to show file and repo size in GitHub
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.
Charte - Free online interactive charts for non-techies
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Charts Factory - Create simple charts super fast and for free!
Slack - A messaging app for teams who see through the Earth!