Mc-DevelopCraft Network is a small network running on 1.8 to 1.13.x, with a mix of survival and minigame modes for players who like switching things up. You can jump into Survival, Skyblock, or the Acid Island style game, or head over to Bedwars, Survival Games, and KitBattle for more PvP-focused fun.
The server is set up as a network, so there's a little bit of everything instead of just one plain mode. If you like building, grinding, or fighting other players, there should be something here for you. It also seems to be geared toward a pretty community-style vibe, with a fanpage and group for players who want to keep up with the server outside the game.