A next-generation inventory
Adds map items that show terrain in HUD
Power Rangers Modpack
Adds power rangers and an API to create your own.
smartshop (flux's fork)
a smarter and easier shop
Placeable Buckets for Catching Rainwater
Allows empty buckets to be placed as nodes in order to collect rainwater.
Air Currents (sum)
Adds air currents which can push objects and players.
Modpack adding a lot of various loot containers across the world to be found and providing an API, resources and integrations for other mods
Noriel Sylvire's Minerals Core Modpack
An API for automatically registering recipes, nodes and ore generation.
Battle Royale-like game. Provides an API and a reference implementation. Highly radioactive. Work in progress.