Strut : An HTML5 Presentation Editor. A GUI / Authoring Tool for ImpressJS and Bespoke.js
Source at https://github.com/tantaman/Strut
NicEdit : WYSIWYG Content Editor, Inline Rich Text Application
Flume : A React-powered node editor and runtime engine. Build apps that are resilient to changing requirements by modeling your business logic as a JSON graph...
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.
Expo : Expo is a framework and a platform for universal React applications. It is a set of tools and services built around React Native and native platforms ...
Bottery is a syntax, editor, and simulator for prototyping generative contextual conversations modeled as finite state machines.