LocalBus is a lightweight yet powerful pub/sub system for Ruby applications that enables decoupled communication within a single process. It offers both non-blocking I/O and thread pool processing modes, robust error handling, and fine-grained concurrency controls. Perfect for organizing event-driven architectures, handling background jobs, and managing complex workflows without external dependencies."

CLI Templating System and String Formatter

A RBS files generator for ActionMailer

rubocop extension to check RBS annotation comments