K2 Multiplayer

A modpack made for friends for a multiplayer server. Vanilla enhancement for exploration, farming, animals, and technology. Great for multiplayer worlds.
Here are some of the mods:

Create: a mod that offers a variety of tools and blocks for building, decoration, and automation.

Alex's Mobs: a mod that adds a variety of animals, mobs, and bosses to the game.
Aquaculture: Ocean update 2.0 kinda. 
Biome's O' Plenty: an expansive biome mod that adds new and unique biomes to each dimension.
Farmer's Delight: a mod that expands upon farming and cooking features.
Immersive Aircraft: a mod that adds a bunch of rustic aircrafts to travel and transport items that are faithful to the vanilla look.

More Minecarts and Rails: a mod that adds a slew of new rail and minecart variants to enhance travel and transport.
Structory: A mod that adds a bunch of new structures to the game as well as new variants of existing structures.
YUNG's Better Structures: a group of mods that enhances the many structures of Minecraft.

These are just the main mods that are included, in addition, there are a bunch of ambient, gameplay, vanilla tweaks, and compatibility mods to enhance the vanilla experience for multiplayer worlds.