cache                   Cache blobs of json, xml or pdfs of text from
                        ft_get() function
chunks                  Extract chunks of data from articles
collect                 Collect data from a remote source in fulltext
extract_tools           PDF extraction tools
ft_browse               Browse an article in your default browser
ft_extract              Extract text from a single pdf document
ft_extract_corpus       Extract text from one to many pdf documents
                        into a tm Corpus or Vcorpus.
ft_get                  Get full text
ft_get_si               Download supplementary materials from journals
ft_links                Get full text links
ft_providers            Search for information on journals or
                        publishers.
ft_search               Search for full text
ft_serialize            Serialize raw text to other formats, including
                        to disk
fulltext-package        Fulltext search and retrieval of scholarly
                        texts.
pdfx                    PDF-to-XML conversion of scientific articles
                        using pdfx
