Docs & Databases
Outline
The fastest open-source, self-hostable knowledge base for growing teams.
4.4· 31 reviews· via G2Founded 2018 · San Francisco, CA
What is Outline?
Outline is a team knowledge base and wiki for internal documentation, meeting notes, and onboarding. It is open source and self-hostable, favored by engineering-oriented teams wanting a fast, markdown-friendly docs tool.
Best known for: Fast open-source team knowledge base
Key features
- Markdown-based collaborative docs
- Fast full-text search
- Nested collections and structure
- Open source and self-hostable
- Slack and integration support
- Real-time editing and comments
Who Outline is best for
- Engineering-led internal wikis
- Teams that want open-source and self-hosting options
- Markdown-first knowledge sharing
Ideal team: Technical and startup teams that want a lightweight, developer-friendly internal wiki with predictable flat pricing.
Outline pricing
Popular
Starter
$10/flat / mo
- 1–10 members
- Unlimited docs
- Realtime editing & AI Q&A
Team
$79/flat / mo
- 11–100 members
- SSO
- 20+ integrations & groups
Business
$249/flat / mo
- 101–200 members
- API & webhooks
- Audit log & email support
Costs to watch before you commit
- Tiers are hard member-count brackets — member 11 jumps you from $10 to $79.
- SSO is gated to the Team tier and above.
- API, webhooks, and audit log are only on Business.
- The self-hosted 'free' option carries your own server and maintenance costs.
Top Outline alternatives
Popular Docs & Databases tools teams evaluate alongside Outline.
SmartSuiteOne no-code platform for connected work across records, docs, and projects.
BookStackSimple, self-hosted, open-source platform for organizing documentation.
RowsAI data analyst spreadsheet — extract, import, and analyze in plain language.
GitBookCreate and publish beautiful product and developer documentation.
StackbyNo-code spreadsheet-database that unifies data and work — an Airtable alternative.