ÜberPDF™sdk - The low level "surgical strike" PDF toolkit™.
Full PDF Access allows for create, edit, optimize, import, and export functionality
Open source or commercial Plus+enhanced version available
Build the library from scratch, or use the pre built Plus+ enhanced version.
Great for server use
Supports Visual Studio® 2010 (and above) for building desktop, UWP (universal), and IoT applications.
Cross platform, for Microsoft Windows®, Linux®, OS X®, and Embedded Systems.
Most all C, C++ and Pascal compilers supported, including Visual Studio®, Delphi®, C++Builder®, Lazarus , Xcode®, and GCC.