Campaign Cartographer - Campaign Cartographer is the leading map making software for games (RPGs, miniatures and wargaming).
Bullzip PDF Printer - Free PDF Printer - Create PDF documents from Windows applications. Supports Citrix, Terminal Server, Windows 8, Windows Server 2012, Windows 7, Vista, 2008R2, 2008, 2003, and 2000. Works with 32 and 64 bit systems.
PyMapper - Drag and drop tile based mapping program.
ApowerPDF - ApowerPDF is a versatile PDF editor which also features as PDF converter, viewer, creator and more. It provides a perfect solution for all users.
donjon.bin.sh - Freely accessible online collection of random generators for tabletop games.
Ghostscript - Documentation.