1)   AutoSplit Plug-in for Adobe Acrobat 1.6
Adobe Acrobat plug-in that is designed for advanced splitting and content extraction from PDF documents. Split PDF documents into multiple files by bookmarks, page count, page text, blank pages, page ranges and element content.
Split, Merge, PDF, Acrobat, Plug-in, extract, bookmarks, regular expressions, page ranges, security,

 2)   Ap PDF Split Merge 8.0.81
PDF Split Merge is a stand-alone tool for splitting, merging PDF documents,allows you to split/merge large PDF files into smaller PDF files, PDF Split Merge is offered as an easy-to-use GUI (Graphical User Interface) application, and command-line.
PDF Split Merge, stand-alone tool, splitting PDF documents, merging PDF documents, PDF documents, PDF files, merge PDF files, split PDF file, Graphical User Interface, command-line application,