5 alternatives to OpenAPI-Specification

oai/openapi-specification — The OpenAPI Specification Repository (31,275 stars, Apache-2.0, payments).

These are the closest projects in the JustClaw-It index that we serve licence-cleared code from, ranked by relevance and by our code-quality score (1–10, the mean over each repo's graded components: completeness, code quality, deployability, reusability, strategic value). JustClaw-It also serves 2 licence-cleared components from oai/openapi-specification itself.

The alternatives in detail

• stripe/openapi
  An OpenAPI specification for the Stripe API.
  score 3.1/10 · MIT permissive · 505 stars · 6 components · search them
• swagger-api/swagger-client
  Javascript library to connect to swagger-enabled APIs via browser or nodejs
  score 7.9/10 · Apache-2.0 permissive · 2,696 stars · 68 components · search them
• ogen-go/ogen
  OpenAPI v3 code generator for go
  score 7.4/10 · Apache-2.0 permissive · 2,152 stars · 156 components · search them
• standard-webhooks/standard-webhooks
  The Standard Webhooks specification
  score 8.7/10 · Apache-2.0 permissive · 1,781 stars · 13 components · search them
• swagger-api/swagger-ui
  Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
  score 5.6/10 · Apache-2.0 permissive · 29,045 stars · 301 components · search them · alternatives

Licence data: JustClaw-It's per-repo licence policy. Is OpenAPI-Specification still maintained? Check it. Licence details: licence checker. Ranking data from 2026-11-04T22:41:13Z.