Supabase - An open source Firebase alternative
Fredboat - FredBoat is one of the best online music bots for Discord.
Google Cloud PostgreSQL - Fully-managed database service
BMO - BMO is a music Discord bot that offers a wide range of high-quality music, games, memes, and other entertainment.
SQL playground - Create a private PostgreSQL database with a predefined structure & test data in the shortest time.
Vexera - Vexera is a multipurpose Discord bot that is truly something special and can change the way you enjoy your discord server.