Lexical
Lexical is an extensible text editor framework
... or rich-text features and markdown. The logic for these features can be included via a plugin interface. It's super easy to get started with Lexical in any environment. Lexical is framework agnostic, but provides a set of bindings for React to help you get off the ground even quicker. After the initial setup, delightfully ergonomic APIs make building custom functionality straightforward and downright fun!