Vanilla
Base version of the game. No support for plugins or mods.
Spigot
Version of the game that can run Spigot and Bukkit plugins.
Paper
Run Paper, Spigot, Bukkit plugins with extra optimizations.
Purper
Run Paper, Spigot, Bukkit plugins with advanced configurations.
Forge
Run Forge mods/modpacks. Can not run plugins of any kind.
Neo Forge
Run Forge mods/modpacks. Can not run plugins of any kind.
Fabric
Run Fabric mods/modpacks. Can not run plugins of any kind.
Arclight
Run Forge mods/modpacks. With Bukkit and Spigot plugins.
Mohist
Run Forge mods/modpacks. With Bukkit and Spigot plugins.
Magma
Run Forge mods/modpacks. With Bukkit and Spigot plugins.
Thermos
Run Forge mods/modpacks. With Bukkit and Spigot plugins.