Moleskine Smart Notebook - Turn hand-drawn sketches into fully workable vector files
Nifty - Manage projects, work, and communications in one place.
Action Method Notebooks - Notebooks for making ideas happen
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.
Notebook.ai - A smart notebook that grows and collaborates with you
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.