Powerful desktop publishing software
Reporting tool, libraries and designer
Easy lead sheets from text input
Online service for PDF conversion (to PDF)
Running JasperReports from command line
Wubiq. Printing from anywhere, everywhere.
Non-spooling printer daemon
graphical Frontend to CUPS
PHP class for PDF
Interface gráfica para PyKota / Graphical interface for PyKota
Two-sided printing for printers that don't support it in hardware