CarrierWave vs Filestack: What are the differences?
CarrierWave: Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks. This gem provides a simple and extremely flexible way to upload files from Ruby applications. It works well with Rack based web applications, such as Ruby on Rails; Filestack: Easy, Powerful File Uploads. Filepicker helps developers connect to their users' content. Connect, Store, and Process any file from anywhere on the Internet.
CarrierWave and Filestack can be categorized as "File Uploads" tools.
CarrierWave is an open source tool with 8.36K GitHub stars and 1.49K GitHub forks. Here's a link to CarrierWave's open source repository on GitHub.