...
- CommercialWindows: Windows Applications
Wiki Markup *\["CommercialMacOSX"\]*: MacOS X Applications \\
- CommercialUnix: Unix Applications
- CommercialNetworkAppliances: Network Appliances
Wiki Markup *\["CommercialISPsSpamFilteringServices"\]*: Service Providers offering email accounts or relay services \\
- CommercialMaybe: Might Use SpamAssassin