Go · npm98Exceptionalhealth index
Go★ 10.8KAug 28, 2026
PyPI · crates.io · Maven +198Exceptionalhealth index

apache/foryA blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
Java · Python★ 4,519↓ 4,472/moAug 28, 2026
npm98Exceptionalhealth index

apollographql/apollo-clientThe industry-leading GraphQL client for TypeScript, JavaScript, React, Vue, Angular, and more. Apollo Client delivers powerful caching, intuitive APIs, and comprehensive developer tools to accelerate your app development.
TypeScript★ 19.8K↓ 27.4M/moAug 20, 2026
npm97Exceptionalhealth index

orval-labs/orvalorval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. 🍺
TypeScript★ 6,401↓ 61.5M/moAug 28, 2026
npm95Exceptionalhealth index
asyncapi/generatorUse your AsyncAPI definition to generate literally anything. Markdown documentation, Node.js code, HTML documentation, anything!
JavaScript★ 1,066Jul 16, 2026
npm95Exceptionalhealth index
asyncapi/modelinaA library for generating typed models based on inputs such as AsyncAPI, OpenAPI, and JSON Schema documents with high customization
TypeScript★ 442↓ 648.8K/moJul 20, 2026
crates.io93Exceptionalhealth index
Rust★ 496↓ 2.3M/moAug 27, 2026
crates.io92Excellenthealth index

anthropics/buffaRust implementation of protobuf with editions support, JSON serialization, and zero-copy views
Rust★ 871↓ 4.1M/moAug 27, 2026
npm · PyPI92Excellenthealth index

hey-api/hey-api👨🚀 Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.
TypeScript★ 5,321↓ 39.4M/moAug 28, 2026
npm91Excellenthealth index

dotansimha/graphql-code-generatorA tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.
TypeScript · MDX★ 11.3K↓ 65.8M/moAug 27, 2026
crates.io91Excellenthealth index
Rust★ 5,084↓ 319K/moAug 13, 2026
npm90Excellenthealth index
kubb-labs/kubb🧡 The meta framework for code generation. Automate OpenAPI to type-safe TypeScript, Zod, and TanStack Query with a modular, plugin-based engine.
TypeScript★ 1,760Jul 16, 2026
crates.io · npm90Excellenthealth index

loco-rs/loco🚂 🦀 The one-person framework for Rust for side-projects and startups
Rust★ 9,101↓ 57.6K/moAug 28, 2026
crates.io90Excellenthealth index
Rust★ 5,260↓ 21.2M/moAug 8, 2026
npm89Excellenthealth index
aws-amplify/amplify-codegenAmplify Codegen is a JavaScript toolkit library for frontend and mobile developers building Amplify applications.
TypeScript · JavaScript★ 59↓ 3.9M/moAug 2, 2026
crates.io89Excellenthealth index
rust-diplomat/diplomatRust tool for generating FFI definitions allowing many other languages to call Rust code
Rust · Jinja★ 883↓ 2.2M/moAug 1, 2026
crates.io88Excellenthealth index
Rust★ 32↓ 132.3K/moAug 23, 2026
crates.io88Excellenthealth index
Rust★ 2,999↓ 271.3K/moAug 9, 2026
Scala★ 400Jul 17, 2026
crates.io88Excellenthealth index
Rust★ 62↓ 88.4K/moAug 22, 2026
npm87Excellenthealth index

anolilab/lunoraType-safe, real-time backend framework on your own Cloudflare account — Workers, Durable Objects, D1, R2, Queues. Convex-style DX, Vite-first.
TypeScript★ 261↓ 58.8K/moSep 5, 2026
npm87Excellenthealth index
TypeScript · HTML★ 97↓ 10.5K/moAug 7, 2026
crates.io87Excellenthealth index
Rust★ 53↓ 5,415/moJul 16, 2026
npm86Excellenthealth index
TypeScript★ 8,305↓ 80.4M/moAug 12, 2026
npm84Excellenthealth index
TechSpokes/typescript-wsdl-clientTypeScript WSDL → SOAP client generator with full xs:attribute, complex types, sequences, inheritance, and namespace-collision merging.
TypeScript · JavaScript★ 14↓ 65.5K/moAug 4, 2026
crates.io · npm84Excellenthealth index
boltffi/boltffiA high-performance multi-language bindings generator for Rust, up to 1,000x faster than UniFFI. Ship Rust libraries that feels native to Python, Swift, Kotlin, and more
Rust★ 820↓ 35.1K/moJul 21, 2026
NuGet84Excellenthealth index
C#★ 1,957Aug 28, 2026
Go84Excellenthealth index
lathe-cli/latheAgentic-friendly CLI generator for APIs: turn Swagger, OpenAPI, and google.api.http protos into single-binary Cobra CLIs with catalogs and generated Skills.
Go★ 38Jul 31, 2026
npm84Excellenthealth index

webdriverio/cddlTools for parsing CDDL schema files and generating TypeScript definitions
TypeScript · Java★ 2↓ 23.9K/moSep 6, 2026
crates.io83Excellenthealth index
Rust★ 1,419↓ 23.4M/moAug 27, 2026