There's a command-line interface too! Note: Camelot only works with text-based PDFs and not scanned documents. (As Tabula explains, "If you can click and drag to select text in your table in a PDF ...
An open-source program, pgn-extract, which is a command-line program for searching, manipulating and formatting chess games recorded in the Portable Game Notation (PGN) or something close. It is ...