Print Release System provides Web-based management of System V printing. It sits between Samba and the System V printing system. It ought to be relatively easy to make it work with other printing systems. After the job is printed, the user needs to consult a Web page that shows their queued jobs, which can be selected and released for printing (or canceled). A record is maintained for each job and, once the user reaches a quota, they can't release any further jobs to the printer.
Form Data Processing is a PHP class that can be used to generate SQL queries from HTTP request values. It processes the HTTP GET or POST request values and generates SQL INSERT or UPDATE statements mapping request value names to table fields and request values to table field values. It can exclude variables from an array or regular expression and add custom values to use in the query. It can also combine request values.
PHP eXhibition is a CMS designed primarily for visual artists, dealers, or just about anybody who wants to display works of art online. It features a back-end administration section and a front end Web site. An administrator can post artworks organized by galleries and/or articles organized by categories. It has a shopping cart that works with PayPal and Google Payments. Artworks may also be included in a sitewide RSS feed.