Notepin - Extremely simple note-taking + blogging ✍️
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.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Better Notes - Simple notes app that ties notes together with #hashtags
Slack - A messaging app for teams who see through the Earth!
Agenda - A date-focused note taking app for both planning and documenting your projects.