InfiniteFluids by Joseph C. Sible
Allows fluids other than water to be infinite (i.e., turn non-source blocks next to source blocks into source blocks).
Infinitely Spreading Water by Techern_Cruz, HoldYourWaffle
Fill up your pools and dams with these creative items
Infinity Block by Henry Loenwind
The Infinity Block is a distributed storage. Each player has 16 channels, and all Infinity Blocks that belong to the same player and channel share an inventory.