Website Optimizer is a free and self-service tool. Without extensive experience or resources, you can run multivariate experiments on landing page content, including headlines, promotional copy, and images.
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Hosted
Drupal
in 159 toolboxes Very extensible CMS platform based on PHP and used by many NGOs - "Community Plumbing"
Firefox
in 345 toolboxes Firefox is the popular open source web browser from Mozilla
Skype
in 228 toolboxes Free/cheap Internet telephony and handy IM tool.
Thunderbird
in 137 toolboxes Mozilla's Open Source email client
GIMP
in 116 toolboxes A freely distributed piece of software for such tasks as photo retouching, image composition and image authoring.
Gmail
in 159 toolboxes Gmail is a web-based email with very user-friendly interface and huge storage capacity
Google Alerts
in 45 toolboxes Have Google email you notifications of news, new web results, or new blog posts containing your desired search term.
Google Webmaster Tools
in 11 toolboxes Suite of tools to monitor how your website is viewed by Google and to gauge your website's performance
Google Sites
in 5 toolboxes Site for creating and sharing a group website.
