Grape is an REST-like API framework for Ruby. It's designed to run on Rack or complement existing web application frameworks such as Rails and Sinatra by providing a simple DSL to easily develop RESTful APIs. Developed by UberGrape GmbH
License: Commercial
Whaller is primarily focused on privacy and customizable group features, making it suitable for large organizations that prioritize security. In contrast, Grape excels in integration capabilities and community engagement, making it ideal for teams and organizations looking for versatile collaboration tools.