Ocean breeding will allow us to breed most water dinos as an intermediate mod until the Ark devs (eventually) release water dino breeding officially.
DJH's More Storage adds specialized item containers with metal and obsidian versions that are stronger and hold more.
Photon Sentries are a new kind of turret that fires slower than normal auto turrets but deals more damage. It also includes a photon tranq rifle that has been edited to do 800 torpor per shot.