Interact with the Harvest API v2.0 from your Ruby application

Linearly scale Heroku dyno counts based on sampled metrics

Official client library to use the IBM Watson Services

LedgerSync is a simple library that allows you to sync common objects to popular accounting software like QuickBooks Online, Xero, NetSuite, etc.

llm.rb is a zero-dependency Ruby toolkit for Large Language Models that includes OpenAI, Gemini, Anthropic, xAI (grok), zAI, DeepSeek, Ollama, and LlamaCpp. The toolkit includes full support for chat, streaming, tool calling, audio, images, files, and structured outputs.

MiniMart is a RubyGem that makes it simple to build a repository of Chef cookbooks using only static files.

initiate a M-Pesa transaction on behalf of a customer using STK Push.

Ruby library for Open Exchange Rates API - free / open source hourly-updated currency data for everybody

OpenWeather API Ruby client.

Pusher Push Notifications Ruby server SDK

Opinionated Ruby client for the Lokalise platform API allowing to work with translations, projects, users and other resources as with Ruby objects.

RunDOC turns docs to runable code

SEPA Financial Messages using Web Services

This is a super simple Slack integration for Rails. A use case for this would be to post a notification in Slack when a new User is created or a certain action has been taken in your application. Are there other gems that provide similar functionality? Yes. Do some of them provide more flexibility? Yes. The point of this was to make installing and integrating a 30 second process.

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accesslint-ci runs accessibility tests in CI and comments on corresponding GitHub pull requests

Epsilon integration for ActiveMerchant.

Amazon Aurora Serverless is an on-demand, auto-scaling configuration for Amazon Aurora (MySQL-compatible and PostgreSQL-compatible editions). Perfect for small Rails on AWS Lambda.

Unofficial Ruby API Wrapper for Appnexus

AWS cmdline and yaml loader.