free-server-boost
There are 3 repositories under free-server-boost topic.
natrixdev/Discord-Server-Boost-Botter
Boost your Discord server with nitro bot accounts. Also includes a joiner.
deorpa/Discord-Server-Boost
Discord Server Boost
Bricky1337/Discord-Boost-Bot
Discord Server Joiner and Booster by Bricky1337 is a script that allows you to automatically join multiple Discord servers and boost them using multiple user tokens.