When comparing GPG (Gnu Privacy Guard) encrypted text file vs KeePassX, the Slant community recommends KeePassX for most people. In the question“What is the best cross-platform password manager?” KeePassX is ranked 6th while GPG (Gnu Privacy Guard) encrypted text file is ranked 11th.
Ranked in these QuestionsQuestion Ranking
Pro Text files can be read across any modern platform
And many obselete ones.
Pro GPG/PGP is a standard encryption format
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 Free to use and modify
GPG does not use patented algorithms, so this service is free to use and modify without restrictions.
Pro No dependencies
GnuPG does not depend on a reading program in order to be functional.
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 Free and open source
Run on Windows, Linux, Mac OS and Android.
Con Requires knowledge of the command line
GnuPG requires technical knowledge, but their FAQ is incredibly helpful for people who want to get started.
Con No plugins / does not autofill login information
For example, the Keyorm plugin for the official Keepass client has the ability to open a website, and autofill username & passphrase info. This is an important and expected feature for a password manager, which is not available in KeePassX