Many users are already familiar with these apps, but just a note to all.
The Streaming App now supports multiple positions - not just defense. (There was a note in another thread about the multi-week function. We've changed the methodology here, and the multi-week function will eventually be added back in.)
The Buy Low Machine has all of your crafty trade options as always.
The new DFS Optimizer gives you a lot of functionality for building the best lineup.