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PKM enthusiasts wanting open-source outliner
Learning curve
Typical cost: $5/mo
PKM enthusiasts wanting open-source outliner
3 screenshots
Logseq is an open-source outliner. Local-first, markdown-based knowledge management.

Google Workspace
PaidProfessional email, online storage, shared calendars, and video meetings.
Best for: Teams of any size needing reliable email and collaboration with strong integration ecosystem
Microsoft 365
PaidProfessional email and productivity suite with enterprise security.
Best for: Teams requiring enterprise security compliance (SOC2, HIPAA) or heavy Microsoft Office usage

Notion
FreemiumAll-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

Trello
FreemiumKeep 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
Good productivity option with free pricing. Solid choice for startups.
Reviewed December 2025 by our editorial team
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