"SafeBrowse is an Internet technology company specializing in the development of content control products that benefit families, businesses, schools and churches. Founded in 1999, SafeBrowse is a pioneering leader with its Flexible FilteringTM technology that runs on both PCs and Macs."

"SmartFilter Web filtering applications protect organizations from risks associated with employee Internet use."

"Software4Parents is a reviewer and retailer for software that lets you control or monitor your child's Internet access. We test and review each product that we sell."

"SonicWALL was founded in 1991, we have had a special focus on the education market. In 1997, we delivered our first education solutions - integrated security appliances featuring firewall protection and content filtering in one cost-effective bundle. These solutions were designed to meet the needs of schools with limited technology staff and tight budgets. Today, SonicWALL's award-winning Education Editions continue to provide comprehensive, affordable network protection for thousands of schools and libraries worldwide."

"squidGuard is covered by the GNU General Public Licence (GPL). The copyright boils down to:

* You may use squidGuard in both free and
commercial services without fee or
registration to Tele Danmark InterNordia.

* You may freely redistribute unchanged free
copies of squidGuard; precompiled or in
source form.

* There is no warranty for squidGuard.

* You may not change the copyright.

* You may not sell or use squidGuard in a
commercial software package without a
written agreement with ElTele Øst AS; and
most likely with Sleepycat too for the DB
part."