ARSCIF is a powerful framework that makes it trivial to use asynchronous remote-script callback invocation (AJAX) techniques. It helps the developer by working out problems such as data and character encoding, concurrency control, browser implementations, and so on, allowing the creation of pages with sophisticated, dynamic features.
ASAPlate separates PHP source code from templates. The library is based on FastTemplate, but the project has a different philosophy. It is easy to learn and use. There's no need to especify in the source code which templates will be found in the template files. Template files can be edited with any WYSIWYG editor, can be dynamic, and are recursively parsed.
ASCIIweb is a text-to-HTML formatting system that uses the 'pre' tag to create ASCII art Web pages, either on the fly or for static retrieval. It has a simple and flexible module system that also allows you to integrate shell scripts and practically any text output into your Web pages. It will also parse and include live Apache-style directory listings into your pages, giving you a creative and sharp looking way to make files available to your users. It looks just as good in Lynx as it does in Firefox.
Advanced Web Statistics (AWStats) is a free powerful Web server logfile analyzer (Perl script) that shows you all your Web statistics including visits, unique visitors, pages, hits, rush hours, search engines, keywords used to find your site, robots, broken links, and more. It works with both IIS 5.0+ and Apache Web server log files as a CGI and/or from the command line. It also supports around 40 languages.
Aardvark Topsites PHP is the premier PHP/SQL topsites script. Members' ranks can be shown on their button, and there are 6 different ranking methods, including pageviews. Powerful anticheating protection is included. It supports categories. You can use up/down/neutral arrows. The admin allows you to approve new members, edit existing members, delete bad members, and much more.
Absolut Engine is a PHP/MySQL framework built on the basis of a former news publishing system. It features 3 layer access, article posting, editing, and deleting. Included are a basic image and file manager as well as a related articles manager. Rich text editing is provided via a built-in WYSIWYG editor that produces XHTML 1.0 Strict compliant code. It is easy to extend via the module functionality. It is fully configurable and easy-to-use. Modules include discussions, surveys, RSS feed export and import, search engine optimization, a messaging system, weather reports, and Google Maps.