GreyGuide 2013-2018: five years of collaborative effort sharing knowledge and data on grey literature

The GreyGuide was launched in 2013 as a collaborative effort between GreyNet International and CNR-ISTI (Networked Multimedia Information Systems Laboratory (NeMIS-Lab), Pisa, Italy. In 2018 GreyGuide celebrates 5 years of work aimed at achieving results in line with the needs of a diverse, international grey literature community adhering to Open Science guiding principles. The GreyGuide provides a unique resource in the field of grey literature that is long awaited and is in continuous evolution both as regards the repository and the portal and will come to serve as GreyNet's web access portal.