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