Digital Music Doctor has published a list of the 15 most popular software products for making music based on search activity.  During Q3 2010, four products - Cakewalk Sonar, Adobe Audition, Sony Acid, and Propellerhead Reason - trended downward.

The Top 15 Most Popular Recording Software:

PRODUCT  (INDEX)

1. Avid Pro Tools  (9.6)
2. FL Studio  (7.3)
3. Steinberg Cubase  (6.3)
4. Cakewalk Sonar  (5.4)
5. Apple Logic  (2.9)6. Adobe Audition  (2.9)
7. Apple GarageBand  (2.7)
8. Sony Sound Forge  (1.7)
9. MOTU Digital Performer  (1.7)
10. Ableton Live  (1.6)
11. Sony Acid  (1.4)
12. Band-in-a-Box  (1.3)
13. Steinberg Nuendo  (0.7)
14. Steinberg Wavelab  (0.6)
15. Propellerhead Reason  (0.6)
 
This index is based on quarterly Internet search activity on Google, Yahoo, AOL and MSN.