Java Fluent Validator is inspired by Fluent Interface and .Net FluentValidation which defined an inner-DSL within Java language for programmers to use. A fluent interface implies that its primary goal is to make it easy to SPEAK and UNDERSTAND.

Generic business document validation engine

Easy attribute, field and object validation library for Java.

assertio ;) - traceable testing

An intuitive application that demonstrates easily how powerful and simple java-fluent-validator is.

RichValidation is a library for rule based validation of a domain model

An input validation engine for web applications.