Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.

A tiny pre-processor for ruby that adds runtime type checking to methods.

Async, progressively enhanced, live components for Ruby applications that work over Websockets and HTTP.

Vident makes using Stimulus with your `ViewComponent` or `Phlex` view components as easy as writing Ruby. Vident is the base of your design system implementation, which provides helpers for working with Stimulus. For component libraries with ViewComponent or Phlex.

Another take on Command Pattern.

api_query_language parses filter and sort expressions from query strings, producing a structured AST that consumers can map onto their own query backend (ActiveRecord, Sequel, Elasticsearch, etc). Zero ActiveSupport and zero ActiveRecord dependency.

api_serializer provides a Schema and Serializer DSL for describing how Ruby objects are exposed over a JSON API, including variants, optional fields, composition, and nested object references. Zero ActiveSupport dependency.

When you go on a trek, don't forget your backpack.

Parse and render WordPress-like shortcodes with type safety, nested support, and grammar-based parsing using Parslet

A toolbelt of patterns for your Rails applications: Operation, Event, Form

A lightweight OpenAPI schema generator built on top of the literal gem's type system. Converts prop declarations into JSON Schema fragments, with pluggable adapters for OpenAPI 3.0 and 3.1.

An experimental new parser-analyzer engine for Lookbook

A Ruby gem providing interactor pattern implementation with enhanced type safety, metadata tracking, and hook system built on Literal gem

Access datasets like the MLC, IFPI and USCO to access data critical to songwriters and artists.

Shared development tools, configurations, and utilities for Panda CMS and its related projects

A powerful variant API for phlex components

Strict Phlex validation

A full featured UI library for Rails.

Rubomop cleans up after your Rubocop

Form-object base class for Rails: typed props with always-on coercion, blank-to-nil, nested forms, multi-model attribute mapping, and ActiveModel validations. Built on the Literal gem.