Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use
Pufferpanel - It's made for hosting your Minecraft server. It's open source.
Hepsia - Hepsia is probably the most advanced web hosting control panel for managing multiple domains and hosting related issues.
Open Game Panel - OGP is a game server control panel.
Virtualmin - It includes numerous features not in the GPL version (like script installers, resellers, HTML editor, an improved UI, mobile access, spam and virus filtering).
Pterodactyl - Pterodactyl is the free game server management panel designed by users, for users.