* [AlchemyCMS v8.3.7](https://github.com/AlchemyCMS/alchemy_cms) – CMS engine written in Ruby on Rails with flexible templating and a rich RESTful API.

* [Fuik v0.13.0](https://github.com/Rails-Designer/fuik) – A Rails engine for capturing, storing, and viewing incoming webhooks from any provider, with generated event classes to run business logic.