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.)
Free Music Software List (via Eli S. & Max T.)
200 Best Free VST Plugins Ever (via Landr)
ocenaudio
Audacity
Garageband
REAPER
SPEAR
How Digital Audio Works
How MIDI Works