These four collections of conference papers, posters, program books, and project slides originated within the International Conference Series on Grey Literature. Each publication has or will be minted with a DOI and includes rich metadata as well as persistent identifiers such as ORCiDs and ROR IDs. These publications are open access compliant by way of a CC BY 3.0 license, which allows others to freely use, adapt, and distribute a work as long as they give appropriate credit to the original creator.