meSpeak.js : meSpeak.js (modulary enhanced speak.js) is a 100% client-side JavaScript text-to-speech library
JSDB.io : JSDB is a collection of the best javascript libraries
Slate : Slate is a completely customizable framework for building rich text editors.
Slate lets you build rich, intuitive editors like those in Medium, Dropbo...
ProseMirror : In-browser structured text editing component. A toolkit for building rich-text editors on the web.
Yjs : Yjs is a CRDT implementation that exposes its internal data structure as shared types. Shared types are common data types like Map or Array with super...
A simple library for handling keyboard shortcuts in Javascript.