Types on steroids 💊
TypeScript runtime type system for IO decoding/encoding
TS Model & utils for OpenAPI 3.x specification.
Crazy fast http radix based router
Runtime library for code generated by the protoc plugin "protobuf-ts"
Compiles your TS app and restarts when files are modified.
A collection of codecs and combinators for use with io-ts
Super-fast alternative to Babel for when you can target modern JS runtimes
Graphviz Models for Object-Oriented Programming
Graphviz Runtime adapters for Cross Platform
Graphviz AST(Abstract Syntax Tree) Utilities
Thin wrapper around zen-observable and @types/zen-observable, to support ESM exports as well as CommonJS exports
A very small TypeScript library that provides tolerable Mixin functionality.
Provide context info for eslint-plugin-import-x, so no extra arguments need to be added.
🌀 OpenAPI to TypeScript codegen. Production-grade SDKs, Zod schemas, TanStack Query hooks, and 20+ plugins. Used by Vercel, OpenCode, and PayPal.
Isomorphic client library for making HTTP requests in node.js and browser.
Infer typescript types from your JSON schemas!
TypeScript implementation of invariant(condition, message)
TS Compiler transformer for formatjs
[](https://www.npmjs.com/package/ts-proto) [](https://github.com/stephenh/ts-proto/actions)
OpenID Connect (OIDC) & OAuth2 client library
SWC node register
Extend native Error to create custom errors
Modern TypeScript JSON diff library - Zero dependencies, high performance, ESM + CommonJS support. Calculate and apply differences between JSON objects with advanced features like key-based array diffing, JSONPath support, and atomic changesets.