CiviCRM

The Open Source Solution for the Civic Sector CiviCRM is the first open source and freely downloadable constituent relationship management solution. CiviCRM is web-based, open source, internationalized, and designed specifically to meet the needs of advocacy, non-profit and non-governmental groups.

Joomla - PHP based CMS

Joomla is notable for a wealth of plug-ins and a good interface.

Drupal: PHP based CMS

Drupal.org is the official website of Drupal, an open source content management platform. Equipped with a powerful blend of features, Drupal can support a variety of websites ranging from personal weblogs to large community-driven websites.

Informe - free online communities

free web 2.0 online communities from non-native english speakers: "Our project is powered by world's most popular forum engine, PhpBB, and we are not only providing you with the best PhpBB forum hosting service available, but also enhance the platform with ourself-developed mods available only on informe."

Download the Alexa Toolbar

System Requirements for this useful seo target marketing tool: Microsoft Windows and Internet Explorer 6.0 or newer -- currently no alternatives for Firefox or Mac users.

SEO With Google Sitemaps

SEO campaign management and web site development tips:

Until Google Sitemaps was released in the summer of 2005, optimizing a site for Google was a guessing game at best...Sitemaps provide you with a way to tell Google valuable information about your website.