Notion
All-in-one workspace combining notes, docs, project management, and wikis. Popular among startups and tech teams across the US and Europe with 30M+ users.
Key Features
- AI writing assistant
- Databases with custom views
- Kanban boards and timelines
- Team collaboration real-time
- Templates for every use case
- 100+ integrations (Slack, GitHub, etc.)
- API for custom workflows
- Offline mode