Calc is arbitrary precision arithmetic system that uses a C-like language. It's useful as a calculator, an algorithm prototype, and as a mathematical research tool. More importantly, calc provides a machine-independent means of computation. Calc comes with a rich set of builtin mathematical and programmatic functions.
cgi-util is a fast, easy to use C library for creating CGI programs. Functions are available for initialization (parsing), grabbing fields (by string, integer, double or boolean value), embedding HTML files, and more. It accepts both POST and GET request methods and has extensive error handling.
merchantCGI.com Shopping Cart System is the only Web based ecommerce system that is completely administered through your Web browser, and includes an integrated Payment Processing Gateway at no extra charge. A single user version can be downloaded for free from our site for installation on your server.
Hyperactive Directory Administrator (HAD Administrator) is a graphical tool for administering Users, Groups, Hosts, and other objects in an LDAP directory. It differs from other tools available such as GQ in that it is not designed to be a general purpose directory editor and is only intended for use in an LDAP environment (it doesn't do anything with NIS or local files). It is roughly modelled after the Microsoft Active Directory Users and Computers tool.
The Scout Portal Toolkit (SPT) is a turnkey software package that allows groups or organizations who have collections of knowledge or resources they want to share via the Web to put that collection online without a big investment in technical resources. It includes keyword and fielded search engines, a recommender system, a metadata editor, user agents (push technology to notify users of new resources), forums (bulletin boards), resource quality ratings, resource annotations by users, and support for multiple dynamic user interfaces, selectable on a per-user basis.