Labs is a dedicated team of people within Crossref who test new technologies and services that may be of interest to the scholarly community. Some of these experiments graduate and become new Crossref services. Others metamorphosize or are absorbed into existing services. A few languish and die.
pdfmark: Â Open source command line tool to allow you to add Crossref metadata to a PDF.
pdfstamp: Open source command line tool to automate the application of linked images to PDFs.
search-based reference matcher (Java version): Open source Java implimentation of our SBMV matching process.
search-based reference matcher (Python version): Open source Python implimentation of our SBMV matching process.