Documents and notes
Tettra alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
outline/outline★40,024 GitHub starslicence unclearRealtime collaborative team knowledge base with markdown support, permissions, and search.Open on GitHub ↗labring/FastGPT★29,285 GitHub starslicence unclearRAG-enabled knowledge platform offering data processing, retrieval, and question-answering workflows.Open on GitHub ↗
What you give up either way
- Polished, production-grade UI and onboarding flows
- Enterprise features (SSO/SCIM, prioritized support, custom onboarding)
- Built-in analytics and usage reporting
- Wide integrations catalogue and managed Slack app experience
- SLA-backed uptime and hosted infrastructure/backup guarantees
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Tettra, and it does not prove anyone has run it for a month. How we decide.