Validaty has basic validations for Rails application

Explicit is a validation and documentation library for REST APIs that enforces documented types at runtime

Framework for building business operations as composable pipelines. Chain steps that short-circuit on failure, collect validation errors, wrap in database transactions with callbacks, and scope nested data structures.

Provides a command line tool to perform different types of validations on MTR files. These files are YAML files that contain information about the performed test and the revision (commit) for which the test was performed.

A simple, reliable Ruby gem for sending events to Google Analytics 4 (GA4) using the Measurement Protocol. Features include batch sending, event validation, retry logic, debug mode, and configurable logging. Works with any Ruby application - no framework dependencies required.

An HTTP server framework similar to FastAPI, featuring async processing, dynamic routing, and type validation.

The PalindromeChecker gem provides a straightforward utility to determine whether a given text is a palindrome. It removes unnecessary characters like spaces, punctuation, and symbols, and normalizes case before performing the palindrome check. This makes it ideal for validating phrases, sentence...

A Ruby gem for vector and matrix operations. Provides methods to calculate: - Matrix determinant: Determinant(matrix) input: matrix - Array of arrays size of nxn output: res[Int] - simple Integer - Scalar product of vectors scalar_prod(a, b) input: a[Array], b[Array]- vector...

Croatia is a gem that contains various utilities for performing Croatia-specific actions like: - PIN/OIB validation

Load environment variables from multiple .env files with configurable precedence, type coercion, required key validation, default values, and template generation for documentation.

Validate Ruby data structures against JSON Schema definitions with support for type checking, required properties, pattern matching, numeric ranges, enums, and array validation.

Define data classes with typed fields, default values, validation rules, and pattern matching support. Immutable by default with keyword-only construction, JSON/Hash serialization, and runtime type checking.

Define typed hash schemas with per-key type declarations, optional coercion functions, default values, strict mode for unknown keys, nested schemas, pick/omit, JSON serialization, freeze, diff, and validation error collection.

A CLI gem to analyze Ruby/Rails projects and track activity: models, migrations, Git, schema,STI, assocation,methods, acope, validation and more.

Sukima is a lightweight data schema validation library for Ruby written in only ~100 lines of code. It provides a simple and flexible way to define constraints for data and validate it.

Ruby SDK for the BigShield email validation API. Provides multi-signal risk scoring to detect fake signups, burner emails, disposable domains, and other fraudulent email patterns.

JekyllFileWizard is a comprehensive gem designed to streamline the management and dynamic updating of Jekyll site structures. It automates the process of checking, creating, and updating various files in a Jekyll project, including HTML files, data files, and more. The gem offers features like dy...

Define boundaries for verification, validation, and normalization.

A library of tested, documented regex patterns for common data formats. Includes named captures, validation helpers, and extraction methods.

A gem for Ruby on Rails which wraps up functionality of maintaining values for forms to factor cases where a POST fails model validation while also providing a means to succinctly produce relevant error messages.