📋 Validation resolvers: Yup, Zod, Superstruct, Joi, Vest, Class Validator, io-ts, Nope, computed-types, typanion, Ajv, TypeBox, ArkType, Valibot, effect-ts and VineJS

Generate a headless Typescript API client from an OpenAPI spec

Code generation for io-ts

Hexagonal architecture / ports-and-adapters for Node.js using simple functional programming

Transform TypeScript types to io-ts runtime validator codecs

Error reporters for io-ts

Sample or starter kit for developing web applications with reactjs, xstate, typescript, xstate/test, storybook, typedoc, fp-ts, and other libraries.

Typesafe Swagger API generator for TypeScript

io-ts for developers who like Promises

A curated list of amazingly awesome fp-ts resources

Generate runtype validation from static types & JSON schema.

Reactive library for data fetching, caching, state management

A very flexible library for building JSON-RPC 2.0 endpoints

A take on TodoMVC developed using functional effects with @matechs/effect and fp-ts

The great and mighty Meeshkan webapp!

Runtime type-validation with auto-derived TypeScript types

A partial porting of io-ts in PHP.

Painless routing for next.js in typescript, strong type inference and flexibility of custom codecs. Ready for serverless too!

Fuzzing io-ts types

Playing actual music over fp-ts notes