Valiktor is a type-safe, powerful and extensible fluent DSL to validate objects in Kotlin

Portable validations for Kotlin

A validation library with distinct separation of pre- and post-validation models, focused on validator composability

A type-safe implementation for collections that cannot be empty. Life is too short for emptiness-checks!

Android validation library which helps developer boil down the tedious work to three easy steps.

A rule-based entity management library written in Kotlin