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GpgFrontend vs PGPTool: catalog facts
GpgFrontend	PGPTool
Free Free and open source.	Free Free to download and use.
Windows, macOS, Linux	Windows, macOS, Linux
Choice of GnuPG or Rust rPGP engine Encrypts files, text and email from one app	Compatible with the OpenPGP specification Suggests encryption and decryption settings from previous actions
Users still need to understand OpenPGP key exchange	Requires a separately installed Java Runtime Environment 17 or later Non-Oracle JREs need JAVA_HOME set or the ZIP package on Windows
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.