REAPER - My DAW of choice. Great program, great community. As it should be.
REATICULATE - My add-on of choice for my DAW of choice. This labor of love completely transforms the VST workflow.
MuseScore - Free, full-featured score editing program with a vibrant community.
Paul Barton - A true inspiration to me. Troubador to wounded elephants, artist on his own terms, and creator of superb piano tutorials. I have nothing but respect for this man.
Adam Neely - On the cutting edge of music and theory, Adam Neely's YouTube channel proves a repository of useful insight and information delivered in a straightforward and thorough manner. Also, memes.
8-Bit Music Theory - Love video games? Love music? Love video game music? Want to understand it while also being superbly entertained? Look no further...