Most of them were made on Macintosh computers, with relatively inexpensive software.
The other sort of "free" software - but let's call it inexpensive software - is shareware.
Instead, you can buy an inexpensive software plug-in for Pro Tools that allows you to emulate the exact sound of the 1975 Moog.
Caligari wanted to provide inexpensive yet professional, industrial video and corporate presentation software.
Some operating systems offer free spyware protection, and inexpensive software is readily available for download on the Internet or at your local computer store.
Marblesoft-Simtech is a commercial company whose line of inexpensive software focuses specifically on training single and dual switch use.
"It's expensive to be here," he said as the crowd gathered around his display of inexpensive software, "but I think it's going to be worth it."
The videos, Mr. Bauman said, are "not all that expensive to produce" with digital video cameras and inexpensive software.
After Osborne Computer collapsed, he founded Paperback Software International, with the idea of selling inexpensive software bound into books.
Easy-to-use computers and inexpensive software make it possible for the police to create detailed daily maps showing when and where crime is occurring.