17.6
Supabase is a backend platform built around a Postgres database, with services for authentication, file storage, realtime data, and server-side functions.
Free planAndroidiOSWeb
Alternatives to Fern
Fern is built for API documentation: Fern Docs turns Markdown and API specifications into interactive sites, while Fern generates strongly typed client libraries with IDE support. Its API Explorer, version and product switching, localization, and AI tools cover documentation work beyond publishing pages. A free plan includes 10 team members, 1,000 pages, and 2,000 page generations per month, with a custom domain, access controls, and analytics among its capabilities. The…
27.6
Swagger Codegen generates API client libraries, server stubs and documentation from OpenAPI or Swagger definitions.
Free planOpen sourceWebAPILinux
37.5
Free planAndroidiOSWeb
- 4
Hasura
Hasura GraphQL Engine creates a data API over connected databases, so developers can expose data without writing handlers, schemas, or resolvers.
Free planWebAPILinuxSelf-hosted6.9Free plan - 5
PocketBase
Free planAndroidiOSWebAPI6.9Free plan - 6
TypeSpec
TypeSpec is a language for defining APIs and data models, then producing schemas, API specifications, code, and documentation.
Free planWebExtensionLinuxmacOS6.9Free plan - 7
PostGraphile
PostGraphile creates GraphQL APIs backed mainly by PostgreSQL, for uses such as SaaS backends and internal business tools.
Free planWebAPISelf-hosted6.7From $25 a month - 8
6.6From $499 a month - 9
DreamFactory
DreamFactory is a self-hosted data gateway and enterprise access platform that provides governed API access to data sources.
Free planAPILinuxSelf-hosted6.6From $1,500 a month - 10
OpenAPI Generator
OpenAPI Generator creates API clients, server stubs, and documentation from OpenAPI 2.0 and 3.x documents.
Free planWebLinuxmacOSSelf-hosted6.5Free plan - 11
Parse Platform
Parse Platform is an open-source backend for mobile and web applications that can run on infrastructure supporting Node.js, including your own infrastructure.
AndroidiOSWebAPI6.5 - 12
Stainless
Stainless generates SDKs, documentation, and MCP servers from OpenAPI specifications.
Free planWebLinuxmacOS6.4Free plan - 13
Speakeasy
Speakeasy is an AI control plane for connecting, securing, and observing agents and MCP servers from one entry point.
WebAPILinuxmacOS5.9 - 14
oapi-codegen
oapi-codegen is a free, open-source command-line tool and Go library that converts OpenAPI specifications into Go server implementations, API clients, and HTTP models.
Free planLinuxSelf-hosted5.8Free plan - 15
Microsoft Kiota
LinuxmacOSWindows4.8 - 16
Microsoft Data API Builder
LinuxmacOSWindows4.7 - 17
liblab
Web4.6 - 184.5
- 194.4
- 204.3
- 214.3
- 224.3
- 234.3
- 244.3