CKEditor - Real-time collaborative future-ready rich text editor
Pressure.js - 3D and Force Touch JavaScript library for the web
Summernote - Summernote is a JavaScript library that helps users create WYSIWYG editors online.
Peek Pop - 3D Touch peek/pop on older iOS devices w/ Swift
Froala Editor - Froala Editor is a WYSIWYG HTML editor that enables rich text editing capabilities for the applications.
Pixi.js - Fast lightweight 2D library that works across all devices