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Awesome TypeScript Type Checking

• ajv 13,798

  

  | updated 2 months ago | MIT License

  The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

• DefinitelyTyped 48,540

  

  | updated 19 days ago | Other

  The repository for high quality TypeScript type definitions.

• elm-ts 301

  

  | updated about 2 years ago | MIT License

  A porting to TypeScript featuring fp-ts, rxjs6 and React

• getmytypes 10

  

  | updated over 3 years ago | MIT License

  👾 A cli tool to install all your @types/<any> files into your devDependencies!

• jsonup 59

  

  | updated 5 months ago | MIT License

  compile-time json-parser

• nominal 67

  

  | updated 11 months ago | MIT License

  Powerful nominal types for your Typescript project

• prisma 38,335

  

  | updated 4 months ago | Apache License 2.0

  Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

• ts-toolbelt 5,913

  

  | updated almost 2 years ago | Apache License 2.0

  👷 TypeScript's largest type utility library

• ts-types-utils 61

  

  | updated over 4 years ago | MIT License

  Type utilities for typescript

• type-fest 14,015

  

  | updated 2 months ago | Creative Commons ...

  A collection of essential TypeScript types

• type-o-rama 243

  

  | updated over 1 year ago

  👾 JS type systems interportability

• type-predicates 54

  

  | updated 7 months ago | MIT License

  A comprehensive collection of type-guards, type assertions and related utils

• typescript-conditional-types 50

  

  | updated over 4 years ago | MIT License

  Helpers for typescript generic types

• typesync 1,390

  

  | updated over 1 year ago | MIT License

  Install missing TypeScript typings for dependencies in your package.json.

• typetype 416

  

  | updated over 2 years ago | MIT License

  A programming language designed for typescript type generation

• utility-types 5,453

  

  | updated 4 months ago | MIT License

  Collection of utility types, complementing TypeScript built-in mapped types and aliases (think "lodash" for static types).

• zod 33,028

  

  | updated 2 months ago | MIT License

  TypeScript-first schema validation with static type inference