Here's an awesome resource that can get you up to speed with the latest and greatest anime running in spring 2015.
Posted by Stargazed Charts, this visual gives you a quick rundown of upcoming anime, including the studio behind it, the source, the genre, and a synopsis. It even includes theatrical releases and special, one-off things. Click on the magnifying glass on the top left to see the image in full:
Any of these catch your eye? I'm particularly curious about the return of Digimon—I'm still somewhat in shock that it's coming back at all.