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GpgFrontend vs Hideout: catalog facts
GpgFrontend	Hideout
Free Free and open source.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Linux
Choice of GnuPG or Rust rPGP engine Encrypts files, text and email from one app	Simple interface for a single task Built on the established GnuPG toolchain
Users still need to understand OpenPGP key exchange	Linux only Small project with a single developer
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
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 1, 2026

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