When comparing GPG (Gnu Privacy Guard) encrypted text file vs Cockatoo, the Slant community recommends GPG (Gnu Privacy Guard) encrypted text file for most people. In the question“What is the best cross-platform password manager?” GPG (Gnu Privacy Guard) encrypted text file is ranked 12th while Cockatoo is ranked 45th.
Ranked in these QuestionsQuestion Ranking
Pro GPG/PGP is a standard encryption format
Pro Text files can be read across any modern platform
And many obselete ones.
Pro Uses symmetric key encryption to ensure that emails are secure
Symmetric key encryption not only protects emails from unauthorized access, but it ensures that the sender and receiver are legitimate.
Pro No dependencies
GnuPG does not depend on a reading program in order to be functional.
Pro Free to use and modify
GPG does not use patented algorithms, so this service is free to use and modify without restrictions.
Pro Outstanding compatibility
GPG is standard on most operating systems, and is compatible with "too many to list". A GPG API is currently being developed for further integration.
Pro Simple password modifiers
Just two optional prefixes to adapt password to each site's complexity requirements
Pro Graphical input method as an option
Gestures allow to remember more with a way less effort
Pro Cross-platform solution
Available as an autonomous web-app + as an add-on for Chrome, Opera and Firefox (desktop and mobile)
Pro Free, open-source
Fully transparent code, which everybody can inspect thoroughly
Pro Industry-accepted hash function
It's based on the famous KDF "scrypt"
Pro No clouds, no vaults
All passwords can be cryptographically derived from a single secret gesture (or a master-password)
Con Requires knowledge of the command line
GnuPG requires technical knowledge, but their FAQ is incredibly helpful for people who want to get started.