ACIDplanet is a creation of the computer software company, Sonic Foundry. Sonic Foundry has created ACIDplanet for a music community of people who use their loop-mixing software, Acid Xpress, Acid DJ, Acid Pro, Acid Jazz, etc.
You can download a demo version of Acid from
ACIDplanet.com
or
download it directly off this site
You can buy Sonic Foundry products such as Acid at Sonic Foundry's fine online store.