ViaVersion / ViaVersion

Allows of newer clients to connect to older server versions for Minecraft servers.

SpongePowered / SpongeAPI

A Minecraft plugin API

LuckPerms / LuckPerms

A permissions plugin for Minecraft servers.

jpenilla / squaremap

squaremap is a minimalistic and lightweight world map viewer for Minecraft servers, using the vanilla map rendering style

SkinsRestorer / SkinsRestorer

🎨 The most popular skin plugin for Minecraft

plan-player-analytics / Plan

Player Analytics plugin for Minecraft Server platforms - View player activity of your server with ease. :calendar:

IntellectualSites / PlotSquared

PlotSquared - Reinventing the plotworld

ViaVersion / ViaBackwards

Allows older clients to connect to newer server versions for Minecraft servers.

EngineHub / WorldEdit

🗺️ Minecraft map editor and mod