ocenaudio
Audacity
Garageband
REAPER (also Alba’s REAPER Help Sheet + Video)
SPEAR
How Digital Audio Works
How MIDI Works
Free Music Software List (via Eli S. & Max T.)
200 Best Free VST Plugins Ever (via Landr)
Society for Electroacoustic Music in the United States
International Computer Music Association
Society of Composers, Inc.
International Alliance for Women in Music
ASCAP / BMI
Sound and Music Computing Music Technology Conference List
Acoustics & Music Technology Conferences List (via Gary S.)