It allows to handle JSON and JSONB fields as if they are proper database columns, handling default values, type casting and easier validation.

A library for creating Active Models that can serialize/deserialize to JSON. This includes full support for validation and change detection through nested models. You can write polymorphic models or arrays of models and get full support for natural serialization. Active JSON Model can optionally...

An easy way to create and run service objects with callbacks, validations, errors, and responses

A tool for building slack block kit with validation.

Drawght v1.1.0 (2025-12-22) Drawght is a data handler for texts without logical statements. The goal is to use a dataset (such as the subject of a text) to draft a document template. It can be considered a mini template processor. Latest changes: - Syntax validation. - Refined extension method...

Generate dry-schema or/and dry-validation classes from OpenAPI 3 specification

Support-vector machines are a popular tool in data mining. This package includes an amended version of the Java implementation of the libsvm library (version 3.11). Additional methods and examples are provided to support standard training techniques, such as cross-validation, various alternativ...

Multistep form concept for Rails projects. Allows to create complex forms for a few models simultaneously. Supports selectable per step validations without data persistence into db.

Ruby gem that introspects ActiveRecord models and generates TypeScript files with Zod schemas for type-safe frontend validation

With this program you can list your telescopes and eyepieces and get a set of calculations done for each scope and for the combination of scope and eyepiece. Easy interface. Run the program, then hit '?' to show the help file. Version 2.0.1: Improved input validation with descriptive errors, divi...

A zero-dependency Ruby gem for transforming data between formats with a mapping DSL, field renaming, type conversion, validation, and CSV support.

ActiveModelChangeset provides a lightweight changeset abstraction for Ruby on Rails applications. It combines type casting, attribute normalization, validation and diff calculation into a single object, enabling safe and explicit create/update operations with patch semantics. The gem is designed...

Define types once in Ruby DSL, generate TypeScript interfaces and Zod schemas for runtime validation on both ends.

Parsing, conversion, and validation for dates, phonetic names, and numbers.

Client-side HTML form validations

Pattern for writing callable service objects with contract validation and exception handling

Strict Phlex validation

A simple and lightweight parameter validation library that leverages ActiveModel to provide a clean interface for handling parameters with real and virtual fields.

A Rails gem that provides enum-like functionality with support for metadata properties (label, icon, color, tooltip) and automatic scopes, validations, and inquiry methods.

Provides a familiar ActiveRecord-like interface for Airtable, built on top of norairrecord with validations, callbacks, and associations.