Laserfiche - Laserfiche offers powerful document management software solutions that are easy to implement and easy to use.
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.
DocuWare - DocuWare is a next-gen document management system that is specially designed for transferring paper-based and digital assets into collective resources.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Slack - A messaging app for teams who see through the Earth!