DEVeloper Utilities (DEVU) is a collection of utility scripts written in Ruby to help developers.

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

A production-grade Ruby SDK for Dhan API v2 built for algo trading, portfolio monitoring, and live trading systems. Provides typed models, token lifecycle management, dry-validation contracts, resilient WebSocket streaming, and safety-focused order workflows for Ruby applications.

Ruby API Wrapper for DHL API

Ruby API wrapper for DHL eCommerce EU. Currently only supports the Return Connect product. Check [here](https://developer.dhl.com/api-reference/ecommerce-europe/) for more info.

Work with diagrams in Ruby

Supports HTTP/2, HTTP/1.X, HTTP proxying, connection pooling, concurrent requests, and lots more

DSL utilities

Synchronous Ruby gem wrapping the Digiwin DSP Self-hosted Website Module (自有官網模組) endpoints — create order, cancel order, invoice update, and return — for use from a Rails storefront.

A Ruby framework for building Telegram bots with Rails-like conventions including routing, controllers, and message handling

A Ruby framework for building Telegram bots with Rails-like conventions including routing, controllers, and message handling

Dinja, Dependency Injection Ninja allows you to decouple abstractions from implementations

A framework on top of Karafka for Change Data Capture on the model level.

Pathname wrapper for safe and convenient filesystem traversal.

DocGuard helps maintain up-to-date project documentation by tracking files referenced in your docs, calculating file digests, and assessing whether code changes impact your documentation relevance. It provides CLI commands to assess documentation relevance and record the current documentation state, enabling automated enforcement and better documentation quality in Rails and Ruby projects.

This gem provides tools to manage Docker containers and images using MCP.

Provides opinionated RuboCop configurations and CLI tools for easy setup and maintenance

Ruby SDK for domeapi.io (unofficial).

A client for event services provided by DOR Services App

Library for creating Solr documents for SDR indexing.