Notion

All-in-one workspace that's either perfect or completely overwhelming.

Best use cases
Team wikis
Project management
Note-taking
Documentation
Knowledge base
Pros
Very flexible
Good collaboration
Databases are powerful
Template ecosystem
Clean interface
Cons
Can get complex
Offline support limited
Performance issues with large workspaces
Lock-in concerns
Pricing
freemium
Free personal + paid team plans starting $8/user/mo
Alternatives