Top 4 runtime-typechecking open source projects

Transform runtypes type to jsverify arbitrary for generate sample of data

A python 3 library providing functions and decorators to automatically generate class code, such as constructor body or properties getters/setters along with optional support of validation contracts on the generated setters. Its objective is to reduce the amount of copy/paste code in your classes - and hence to help reducing human mistakes :).

The medieval language held together by twine.

A simple runtime JSON type checker.