ProseMirror : In-browser structured text editing component. A toolkit for building rich-text editors on the web.
Web Forms : Web Forms 2.0 Cross-Browser Implementation
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...
SPF : A lightweight JS framework for fast navigation and page updates from YouTube
TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
Add Clippy or his friends to any website for instant nostalgia.