I've built a clone of Spotify via using NextJS and ChakraUI for the frontend and backend. I've used MongoDB and Prisma ORM for database.
I've built a clone of Twitter via using React and NodeJS (ExpressJS) custom server. And I've used MongoDB for the database.
Vanilla JS SPA is a simple SPA built with vanilla JS. This was a simple try to show how we can build a SPA with vanilla JS.