DynaPDF - A developer library for the treatment and production of documents on PDF basis. [ActiveX Component and standard DLL
libpdfx.dll - Provide over 30 functions for creating and laying out PDF content. Full source code for the libpdfx.dll is provided along with VB6 function bindings and example C++ and VB6 source code. [Commercial]
PDF Form Tool - A DLL for editing PDF form fields. Does not require Adobe Acrobat. [Commercial]
PDF on the Fly - Perl5 library for creating PDF files. Free for personal use
Text Into PDF - A DLL allows to programmatically convert any string of text
