There are only a few way to calculate prorations & manage recurring payments.

Rails Engine for SaaS subscription management. Manage subscriptions, plan changes, free trials and more!!!

Client library for Bitbond API

Bitcointrade gem SDK.

API client library for bitex.la. Fetch public market data and build trading robots

Both a trading robot and a library to build trading robots. The bitex-bot lets you buy cheap on bitex and sell on another exchange and vice versa.

ANOTHER ONE? Yep - another lightweight blogging engine

Various little helpers

Changelog generator.

This is a direct rip/port of Money Open Exchange Rates experimental and not used in production.

Client SDK for accessing BlockchainNode API.

Blockly is a library from Google for building visual programming editors. This gem is an interpreter for Blockly programs in Ruby.

A simple gem that sends sms messages via the Bluehouselab api

Client and server implementation for the Webhook Configurator service.

Gerador de boletos registrados.

Create realistic demo data by simulating events occurring over some time period

Ruby client for the Booker v4 API - http://apidoc.booker.com

An unofficial client for https://book-value.co.za/.

ActiveRecord plugin for creating a boolean virtual attribute from a datetime column.

In Devise you own controllers, models and views. With Booth you don't own the models (much like ActiveStorage). The Controllers you do own, but the implementation is pretty much just calling Booth helpers. The views you own completely, just as in Devise.