pdf_gantt is a TCPDF wrapper class for rendering Gantt charts as a part of a created PDF document. It has features for adjusting the printing area, font colors for different text blocks, background and referencing arrows colors, and other parameters. It will automatically adjust start dates for dependant tasks to start right after "parent" tasks. List of people responsible for each task can be printed. The class can be used standalone or as a PrintFormPDF plugin.
printformPdf is a wrapper for the TCPDF class that allows you to documents from a PDF template by populating it with user data. It has features for printing "data grids" and repeating data on the page (which is useful for business cards, for example) and drawing bar codes, QR codes, polygons, and images from source picture files etc. Data priniting parameters (position, font name/size, color, rotation) can be saved in an XML configuration file.
sitepages_guard is a PHP class to monitor and restore damaged application files on a Web site. It can scan the application directory and make a compressed backup of its files. Later, the class can check if all files are still OK. If any files were damaged, the class can warn the administrator by email and restore the damaged or deleted files form a previous backup. If the installation is updated, the class can update the existing backup archive.