Developed by ASCE, Elsevier, IEEE and the IET, these guidelines aim to help maintain "an equitable balance of the interests of all participants in ensuring high quality, scholarly conference proceedings content."
Think. Check. Attend is an initiative that aims to guide and assist researchers and scholars to judge the legitimacy and academic credentials of conferences in order to help them decide whether to attend.
Download Infographics: Phony vs. Legit
Criteria for Determining Predatory Open-Access Publishers (Infographics from the University of West Indies)
A document from the World Association of Medical Editors (WAME) aiming " to provide guidance to help editors, researchers, funders, academic institutions and other stakeholders distinguish predatory journals from legitimate journals."