Obsidian

Professional email, online storage, shared calendars, and video meetings.

Best for: Teams of any size needing reliable email and collaboration with strong integration ecosystem

Professional email and productivity suite with enterprise security.

Best for: Teams requiring enterprise security compliance (SOC2, HIPAA) or heavy Microsoft Office usage

All-in-one workspace for notes, docs, wikis, and projects.

Best for: Startups wanting a flexible all-in-one workspace for docs, wikis, and lightweight project management

Keep everything in the same place—even if your team isn't.

Best for: Small teams who want simple, visual task management without a learning curve