eLabFTW is an electronic laboratory notebook system. Once installed on a server, every member of a lab can write up their experiments, upload files, manage a database of products (antibodies, chemicals, siRNA, papers, or whatever you want). It was created with usability and security in mind, is very easy to use, and has a long list of features specific to research life.
SabreDAV allows you to easily integrate your existing Web application with WebDAV. It supports most of the common clients, including the Mac OS X Finder, the Windows XP/Vista Explorer, DavFS2, Cadaver, NetDrive, and WebDrive. It supports class 1, 2, and 3 WebDAV servers. It implements RFC2518 and revisions from RFC4918. It also implements RFC2617 (Basic/Digest auth).
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.