Author here. Optionally we implement unitable which represents the current state of the art in table detection. Camelot / Tabelot use much simpler, traditional extraction techniques.
Unitable itself has shockingly good accuracy, although we’re still working on better table detection which sometimes negatively affects results.
I've been using camelot, which builds on the lower python pdf libraries, to extract tables from pdfs. Haven't tried anything exotic, but it seems to work. The tables I parse tend to be full page or the most dominant element
