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↓ 25.4M/moOct 19, 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
crates.io · npm96Exceptionalhealth index

slint-ui/slintSlint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.
Rust · Slint★ 23.8K↓ 167.6K/moSep 16, 2026
npm95Exceptionalhealth index

asyncapi/generatorUse your AsyncAPI definition to generate literally anything. Markdown documentation, Node.js code, HTML documentation, anything!
JavaScript★ 1,075↓ 1.5M/moSep 9, 2026
crates.io · npm95Exceptionalhealth index

open-telemetry/weaverOTel Weaver lets you easily develop, validate, document, and deploy semantic conventions
Rust★ 489Sep 19, 2026
npm94Exceptionalhealth index

asyncapi/modelinaA library for generating typed models based on inputs such as AsyncAPI, OpenAPI, and JSON Schema documents with high customization
TypeScript★ 448↓ 667.3K/moSep 25, 2026
npm93Exceptionalhealth index
TypeScript★ 1,891↓ 2.3M/moSep 15, 2026
crates.io93Exceptionalhealth index
Rust★ 496↓ 2.3M/moAug 27, 2026
crates.io93Exceptionalhealth index

rust-diplomat/diplomatRust tool for generating FFI definitions allowing many other languages to call Rust code
Rust · Jinja★ 910↓ 4M/moSep 15, 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
npm92Excellenthealth index
TypeScript★ 65↓ 2.4M/moSep 15, 2026
crates.io92Excellenthealth index
Rust★ 5,206↓ 384.1K/moSep 18, 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
npm92Excellenthealth 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★ 1,795↓ 3.1M/moSep 9, 2026
crates.io92Excellenthealth index
Rust★ 5,282↓ 24.1M/moSep 17, 2026
npm92Excellenthealth index
Zig · TypeScript★ 943↓ 51.4M/moSep 9, 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.io90Excellenthealth index
Rust★ 3,015↓ 393.5K/moSep 17, 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
npm · crates.io89Excellenthealth index
Rust · TypeScript★ 1↓ 10.9K/moSep 18, 2026
crates.io88Excellenthealth index
Rust★ 32↓ 132.3K/moAug 23, 2026
Scala★ 400Sep 10, 2026
PyPI88Excellenthealth index

microsoft/multilspymultilspy is a lsp client library in Python intended to be used to build applications around language servers.
Python★ 612↓ 38.3K/moOct 13, 2026
npm88Excellenthealth index
Kotlin · Swift · TypeScript★ 450↓ 214.9K/moSep 15, 2026
crates.io88Excellenthealth index
Rust★ 68↓ 243.8K/moOct 20, 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
Go87Excellenthealth index
Go Template · Go★ 93Sep 20, 2026
npm87Excellenthealth index
TypeScript★ 8↓ 2.4M/moSep 13, 2026