The Tcl Web Application Framework helps simplify writing Web applications in the Tool Command Language (Tcl). It provides the features that form the basis for writing an application, such as sessions, users, privilege separation, and an abstract database interface. It is currently under development, but stable for production use.
Templum is an extremely lightweight, simple yet powerful, and fast templating engine for PHP. It re-uses the power of PHP itself for rendering templates, but provides additional features making it easier and more secure to write templating code. Rendering templates using Templum is very fast; it approximates native PHP rendering speed for include() statements.
Geolocator is a PHP class which provides an easy-to-use interface to the IP address location XML API described at ipinfodb.com. This API allows you to find the city, state/region, country, and approximate latitude/longitude associated with an IP address or domain. The class aims to be easy-to-use, versatile, and well-documented. The class requires PHP 5.30 or greater, compiled with cURL support.