GitHub Writer

Yoopta Edtior

Open-source WYSIWYG editor setting a new standard

Markdown Editor

Clean, modern & open-source WYSIWYG markdown editor

Writty

An open-source text editor to help you focus on what matters

The ORY Editor

Next-gen content editor for the browser: WYSIWYG on steroids

GitNoter

Open source webapp to store notes to in github repository