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#openapi

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

213 records
Tagged “openapi”Ranked by health index
PyPI
89Excellenthealth index
litestar-org/litestar
Light, flexible and extensible ASGI framework | Built to scale
Python★ 8,346↓ 1.8M/moJul 21, 2026
MITJul 21, 2026 · metrics 1.13.0
npm · PyPI · crates.io
89Excellenthealth index
scalar/scalar
Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support
TypeScript · Vue★ 15.7K↓ 7.2M/moJul 21, 2026
MITJul 21, 2026 · metrics 1.13.0
npm · Packagist
87Excellenthealth index
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.
JavaScript★ 28.9K↓ 47.4M/moJul 22, 2026
Apache-2.0Jul 22, 2026 · metrics 1.13.0
Packagist
86Excellenthealth index
api-platform/core
The server component of API Platform: hypermedia and GraphQL APIs in minutes
PHP★ 2,567↓ 943.1K/moJul 20, 2026
MITJul 20, 2026 · metrics 1.13.0
PyPI
86Excellenthealth index
fastapi/fastapi
FastAPI framework, high performance, easy to learn, fast to code, ready for production
Python★ 100.8K↓ 511M/moJul 22, 2026
MITJul 22, 2026 · metrics 1.13.0
npm
85Excellenthealth index
microsoft/kiota
OpenAPI based HTTP Client code generator
C#★ 3,786Jul 20, 2026
MITJul 20, 2026 · metrics 1.13.0
Go
84Goodhealth index
go-openapi/runtime
openapi runtime interfaces
Go★ 261Jul 20, 2026
Apache-2.0Jul 20, 2026 · metrics 1.13.0
Go
84Goodhealth index
go-openapi/strfmt
openapi toolkit common string formats
Go★ 111Jul 19, 2026
Apache-2.0Jul 19, 2026 · metrics 1.13.0
Go
84Goodhealth index
go-openapi/swag
goodie bag in use in the go-openapi projects
Go★ 221Jul 20, 2026
Apache-2.0Jul 20, 2026 · metrics 1.13.0
npm
83Goodhealth index
fern-api/fern
Input OpenAPI. Output SDKs and Docs.
TypeScript★ 3,708↓ 0/moJul 13, 2026
Apache-2.0Jul 13, 2026 · metrics 1.13.0
—
82Goodhealth index
Microsoft/OpenAPI.NET
The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.
C#★ 1,602Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
npm
82Goodhealth index
fastify/fastify-swagger
Swagger documentation generator for Fastify
JavaScript★ 1,091↓ 7.2M/moJul 15, 2026
MITJul 15, 2026 · metrics 1.13.0
npm · PyPI
82Goodhealth index
open-webui/open-webui
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
Python★ 145.2K↓ 1.5M/moJul 13, 2026
Custom licenseJul 13, 2026 · metrics 1.13.0
npm
81Goodhealth index
zuplo/zudoku
Framework for building high quality, interactive API documentation.
TypeScript★ 561↓ 3,737/moJul 20, 2026
MITJul 20, 2026 · metrics 1.13.0
npm
80Goodhealth index
Azure/oav
Tools for validating OpenAPI (Swagger) files.
TypeScript★ 105↓ 45.7K/moJul 21, 2026
MITJul 21, 2026 · metrics 1.13.0
Go · RubyGems
80Goodhealth index
grpc-ecosystem/Grpc-Gateway
gRPC to JSON proxy generator following the gRPC HTTP spec
Go★ 19.9K↓ 0/moJul 14, 2026
BSD-3-ClauseJul 14, 2026 · metrics 1.13.0
PyPI
80Goodhealth index
microsoft/kiota-python
Abstractions library for Kiota generated Python clients
Python★ 29Jul 21, 2026
MITJul 21, 2026 · metrics 1.13.0
npm
80Goodhealth index
stoplightio/prism
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
TypeScript★ 4,990↓ 2.5M/moJul 21, 2026
Apache-2.0Jul 21, 2026 · metrics 1.13.0
npm
80Goodhealth index
usebruno/bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
JavaScript★ 45.6K↓ 0/moJul 13, 2026
MITJul 13, 2026 · metrics 1.13.0
Maven
79Goodhealth index
OpenAPITools/openapi-generator
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
Java★ 26.6KJul 20, 2026
Apache-2.0Jul 20, 2026 · metrics 1.13.0
npm
79Goodhealth index
SAP/cloud-sdk-js
Use the SAP Cloud SDK for JavaScript / TypeScript to reduce development effort when building applications on SAP Business Technology Platform that communicate with SAP solutions and services such as SAP S/4HANA Cloud, SAP SuccessFactors, and many others.
TypeScript★ 212Jul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
npm
79Goodhealth index
inversify/monorepo
A powerful and lightweight inversion of control container for JavaScript & Node.js apps powered by TypeScript.
TypeScript · MDX★ 266↓ 19.8K/moJul 21, 2026
MITJul 21, 2026 · metrics 1.13.0
npm · Go · RubyGems
79Goodhealth index
meshery/schemas
Logical object models for Meshery
TypeScript★ 69↓ 16.4K/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
npm
79Goodhealth index
microsoft/kiota-typescript
TypeScript libraries for Kiota-generated API clients.
TypeScript★ 61Jul 20, 2026
MITJul 20, 2026 · metrics 1.13.0
Packagist · npm
79Goodhealth index
nelmio/NelmioApiDocBundle
Generates documentation for your REST API from attributes
PHP★ 2,354↓ 1.2M/moJul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
Go
79Goodhealth index
oapi-codegen/oapi-codegen
Generate Go client and server boilerplate from OpenAPI 3 specifications
Go · Go Template★ 8,472Jul 22, 2026
Apache-2.0Jul 22, 2026 · metrics 1.13.0
PyPI · Go · npm
79Goodhealth index
speakeasy-api/gram
Securely scale AI usage across your organization. A single stack to Connect, Secure, Observe and Distribute agents, MCPs, and Skills within your company.
Go · TypeScript★ 256↓ 32/moJul 17, 2026
AGPL-3.0Jul 17, 2026 · metrics 1.13.0
npm
78Goodhealth index
middleapi/orpc
Typesafe APIs Made Simple 🪄
TypeScript★ 5,396Jul 15, 2026
MITJul 15, 2026 · metrics 1.13.0