Confluence - Confluence is content collaboration software that changes how modern teams work
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.
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Toby for Teams - Better bookmarks, now with collaboration baked in 🔖
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Planyway - Visual project management for Jira and Trello: manage resources, build project roadmaps, use time tracking.