JSPrismarineDedicated Minecraft Bedrock Edition server written in TypeScript.
NotQuestsFlexible, open & solid paper Quest Plugin [with GUI]
cppcrafta Minecraft clone written in C++ and OpenGL that includes Minecraft textures, chunks, building, terrain, trees, water, inventories, and more!
go-solrsolr go client from sendgrid, zookeeper aware, incorporates retries
LevelledMobsLevel-up mobs on your Spigot/Paper server, RPG-style!
RandomTweakerProvides many more mods support and great features for CraftTweaker.