The Simi-Conejo Linux Users Group will observe Software Freedom Day from 1 to 5 p.m. Sat., Sept. 20 at the Simi Valley Library, 2969 Tapo Canyon Road.

The club will educate the public about the benefits of using high quality Open Source Software and hold demonstrations of the software in the library's community room.

There is no charge to attend. For more information, e-mail info@sclug.org.