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Gpg4win vs age: catalog facts
Gpg4win	age
Free Free software, funded by donations and public contracts.	Free Free and open source under the BSD 3-Clause licence.
Windows	Windows, macOS, Linux, Command line
Kleopatra gives GnuPG a real key manager instead of a command line Integrates with Outlook through GpgOL and with Explorer through GpgEX	No options to choose, so there is no insecure configuration to fall into Keys are short strings that fit in a password manager
Windows only OpenPGP key management is genuinely hard, and the concepts do not hide well behind a GUI	Command line only; there is no official graphical front end No key server or web of trust, so you exchange keys yourself
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-3-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 21, 2026

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