Interfacer - Collection of more than 200+ free design resources
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.
Blush - Illustrations for everyone
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Freebiesbug - Collection of the best free web design resources.
Slack - A messaging app for teams who see through the Earth!