Novocall is an international callback software to help you capture and distribute qualified sales call leads for inside sales and sales teams.
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
Anchor CMS - Free and lightweight blogging system
LiveCall - LiveCall is a callback software that enables users to talk by voice with people who are currently visiting a website in 25 seconds.
Textpattern - Textpattern is an elegant content management system that is free, open source software.
Inbound Rocket - Converts visitors into leads, subscribers & customers