https://notepad.1976f.com/

• (Original) notepad.cc (discontinued) style and features
  • No login/register required, user can start writing right away
  • Open/create notes using pathname part of url
  • Save as you type
• Extras
  • Real-time collaboration, implemented using Socket.IO and diff3 algorithm.
  • Better list editing UX
    • Tab: indent list item(s)
    • Shift + Tab: deindent list item(s)
    • Enter: new list item
    • -: turn selected block into list
    • ...More to be discovered

• mongodb

# make sure you have mongodb running and configured accordingly
export MONGODB_URL=your-mongodb-url
export MONGODB_DATABASE=mongdo-database-to-use

yarn
yarn start