Ck_image_upload is a project mainly written in Ruby, it's free.
Sinatra app to manage and upload images via CKEditor (meant to be used along Joiedmin CMS framework)
h1. CK Image Upload
h2. Installation and Configuration
pre. map '/admin/ck_image_upload' do run Joiedmin::AdminApplications::CKImageUpload end
pre. toolbar_Basic: [ ['Source', '-', 'Bold', 'Italic', 'Styles', '-', 'NumberedList', 'BulletedList', '-', 'Link', 'Unlink','-','MediaEmbed','Image','-','About'] ], filebrowserImageUploadUrl: '/admin/ck_image_upload/upload?type=Images', filebrowserImageBrowseUrl: '/admin/ck_image_upload/uploaded_images'