Pterodactyl - Pterodactyl is the free game server management panel designed by users, for users.
McMyAdmin - McMyAdmin is a web interface and administration utility for Minecraft Survival Multiplayer (SMP)...
Pufferpanel - It's made for hosting your Minecraft server. It's open source.
Open Game Panel - OGP is a game server control panel.
MineOS CRUX - MineOS CRUX is a specialized distribution with a specific goal: To provide the ultimate server...
Spigot - Simply put, Spigot is it.