OpenPrinting CUPS Sources
OctoPrint is the snappy web interface for your 3D printer
A Label Printer Application
Client/server side PDF printing in pure JavaScript
Zasilkovna.cz PHP library supporting SOAP and REST API + custom Label
Haskell pretty printer
Powerful desktop publishing software
Free Java Reporting Library
PHP class for PDF
Reporting tool, libraries and designer
Easy lead sheets from text input
Free, open-source PDF viewer, print tool and prepress toolbox
Driverless, Zero-Cloud Printer-Sharing for Windows LANs
Bar Code (1D or 2D) generator in pure Ada
neoHort:Java PDF&XLSX runtime builder-based iText&JExcelAPI&Apache POI
Modular XSL-FO Implementation for Java.
A version of CHORD4 updated to cooperate with ChordSmith.
Online service for PDF conversion (to PDF)
Every Printshop must-have Tool
Gestione dei Registri Parrocchiali, Management of Parish registers
Monitorize number of pages printed by any printer on your network