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Best Free Docs Tools

6 of 6 docs tools offer free tiers

E
Eraser
Free tier available
Technical diagramming and documentation platform with AI diagram generation and version history
Switching Cost: moderate
F
Fern
Free tier available
API development platform with docs generation, SDK generation, and developer portal hosting
Switching Cost: moderate
G
GitBook
Free tier available
Documentation platform with Git sync, API playgrounds, AI assistant, and team collaboration
Switching Cost: moderate
M
Mintlify
Free tier available
Developer documentation platform with custom domains, API playground, AI assistant, and MDX support
Switching Cost: moderate
R
ReadMe
Free tier available
API documentation platform with interactive reference, changelog, metrics, and developer hub
Switching Cost: moderate
S
Scalar
Free tier available
API documentation platform with interactive references, developer portal, and REST/GraphQL client
Switching Cost: moderate

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