Convert PDF to Word (DOC) — 100% Free! Scanning Software that Uploads PDFs to Google Docs. Works with OS 10.6.5 and 10.6.6 Currently Scandrop Mac has been tested with 10.6.5 and 10.6.6 (Mac App-Store compatible version).
It has been used with versions of 10.6 prior to 10.6.6 (not officially supported). It does not work with 10.5 and below. Download - PDF Split and Merge. The installer may include advertisement offers to finance further development, read here why.
PDFsam basic is a completely free, platform independent software designed to split and merge pdf files. It’s stable, open source and It should cover most of your needs. PDFCreator.