openSourceCM - Web-based legal document processing and contract management
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.
DocGen - Static website generator
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
LogicalDOC - A document management system such as LogicalDOC can help your organization better manage business processes and put order in the chaos of documents every day run your business.
Slack - A messaging app for teams who see through the Earth!