[wes-k]

For those that don't know the author, Marijn Haverbeke is the creator of CodeMirror (code editor) and later ProseMirror (text editor).

https://codemirror.net/

https://prosemirror.net/

[felideon]

I'll always know him as the author of Postmodern, an impressive CL library for PostgreSQL: https://marijnhaverbeke.nl/postmodern/

[jamager]

Prosemirror user, it is fantastic. Didn't know Marijn was so prolific, all with free/open source projects. Wonder how can make a living...