The PGP Search Engine is a Google Web App (essentially an interactive web page) that I've developed to make searching the many files and links that have been migrated from the old PGP Wikispaces site or have been added since then. You may make new contributions here. There are many fields that can be used to search the PGP catalogue and to filter those results further after they have loaded.
Click here to open the PGP Search Engine in a new window: https://script.google.com/macros/s/AKfycbwoZVCxWoil4ntm0dpsXcsCaah8rbasQtfWOnxPL6YBZRVJh5c/exec
Please see the video below to learn about the PGP Search Engine
How to: