Incredibly useful article on how to mail merge in OpenOffce / LibreOffice, which turns out to be outrageously non-intuitive although actually very simple. Bah.
279 days to overnight success, the manifesto by Chris Guillebeau.
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.
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`
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.