The ATK Framework is a PHP business framework. It is targeted at developers who wish to focus on business logic instead of coding HTML. ATK provides a complete framework that requires only small amounts of code to get usable applications, while maintaining full flexibility. ATK has a model driven approach, but is 100% customizable.
AbiWord is a free word processing program similar to Microsoft Word. It is suitable for a wide variety of word processing tasks. It allows you to collaborate with multiple people on one document at the same time. It is tightly integrated with the AbiCollab.net Web service, which lets you store documents online, allows easy document sharing with your friends, and performs format conversions on the fly.
ALTSE is an alternative search engine technology. It can index up to a couple million Web pages. Altse does not aim to replace existing search engine technologies such as Google, Yahoo, and so on. Instead, it aims to provide an affordable alternative to index Web pages for small size businesses and organizations.
Anuko Time Tracker is a simple, easy to use, Web-based time tracking system. It allows you to track the time which employees, colleagues, or teammates spend working on projects and tasks. It needs a Web server such as Apache, IIS, etc. to run on, and a database to keep the data in, such as MySQL. Free hosting of this service is also available.