Another biased type checking solution for Javascript
MIT License
λ "Functions all the way down" data validation for JavaScript and TypeScript.
Runtime type-checking for JavaScript.
Runtime type checking for JavaScript
Preserves types over JSON, BSON or socket.io
Typescript to Haxe transpiler written in JavaScript
Flexible data validation using a ducktype interface. For JavaScript and Node.js.
JSR-303 Bean Validation for javascript
JavaScript parser / mangler / compressor / beautifier toolkit
A powerful obfuscator for JavaScript and Node.js
Runtime type assertion and serialization system
A simple, serializable sum-type format
Intuitive structural type notation for JavaScript.
Just a reasonable `typeof`
A feature detection library for ECMAScript in node.js and browser.
A typesafe validation & parsing library for TypeScript.