Some python tools
Merge a folder of pdfs into one pdf file.
Requires PyPDF4, install with "pip install PyPDF4".
Run through the command line, giving the input folder name with "-i " replacing with the name and specifying the output file with "-o .pdf" replacing with the file name. Optional parameters are: -p to specify page range, -b to toggle bookmarking different sections of the merged pdf with the names of the files they originated from.