CKEditor - Real-time collaborative future-ready rich text editor
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
CKEditor 4 - CKEditor 4 is a rich text editor that enables you to write content inside of web pages or online applications.
Joomag - Joomag is the all-in-one digital publishing platform empowering businesses large and small to create, distribute, track, and monetize their interactive content.
Froala Editor - Froala Editor is a WYSIWYG HTML editor that enables rich text editing capabilities for the applications.
uberflip - Organize and Centralize ALL of your Content in minutes