Incredibly useful article on how to mail merge in OpenOffce / LibreOffice, which turns out to be outrageously non-intuitive although actually very simple. Bah.
Handy howto edit PDF metadata using pdftk. In summary: `pdftk file.pdf dump_data output file.txt`, `gedit file.txt`, `pdftk file.pdf update_info file.txt output newfile.pdf`
279 days to overnight success, the manifesto by Chris Guillebeau.
xFruits is a sort of Yahoo! Pipes type service where you can take content and munge it into different forms. RSS to Atom, RSS to email, x RSS to 1 RSS, etc, etc.
TCPDF is an improved version of FPDF, the free PHP class to generate PDF files. TCPDF offers a bunch of new features, etc.
FPDF is a PHP class which allows to generate PDF files with pure PHP, that is to say without using the PDFlib library. F from FPDF stands for Free: you may use it for any kind of usage and modify it to suit your needs.