http://www.planetminecraft.com/

https://minestatus.net/

http://minecraft-server-list.com/

http://minecraftservers.org/

https://theminecraftserverlist.com/

http://mc-serverlist.com/

http://minecraft-servers.info/

http://www.minecraft-serverlist.net/serverlist

http://servers.minecraftforum.net/servers