A composable type system for Ruby with runtime validation and coercion.

Validrb is a powerful Ruby schema validation library inspired by Pydantic and Zod. It provides type coercion, rich constraints, schema composition, union types, discriminated unions, custom validators, JSON Schema generation, and serialization.

An ActiveRecord plugin to strip whitespace from strings and coerce empty strings to nil values on assignment.

One API to load .env, YAML, JSON, TOML, environment variables, and defaults with automatic type coercion, layered priority, AES-256-GCM encryption, schema validation, variable interpolation, sensitive value masking, and file watching.

FlexCoerce - is a gem which allow you create operator-dependent coercion logic. It's useful when your type should be treated in a different way for different binary operations (including arithmetic operators, bitwise operators and comparison operators except equality checks: `==`, `===`).

Declaration and coercion of PORO attributes

It is a tiny presentation layer with a small DSL to define properties, collections, light type coercion via dry-types, and optional ActiveModel validations. It's designed to be framework-friendly but not framework-bound.

Ruby attributes with type coercion.

A simple type coercion library

A small collection of extensions useful for data coercion and validation

Rbdantic provides BaseModel-like data classes with field validation, type coercion, custom validators, JSON Schema generation, and serialization. Inspired by Python's Pydantic.

Coerce blank strings into nil objects for ActiveRecord