Selectivizr : CSS3 pseudo-class and attribute selectors for IE 6-8
TinaCMS : Tina is an open-source site editing toolkit for React-based sites like Next.js & Gatsby to build content management directly into your website.
EtherPad : Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
NicEdit : WYSIWYG Content Editor, Inline Rich Text Application
