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+## OpenPGP applets for Java Cards
+* https://github.com/ANSSI-FR/SmartPGP
+* https://github.com/Yubico/ykneo-openpgp
+* https://github.com/FluffyKaon/OpenPGP-Card
+
+## Other Implementations
+* http://git.gniibe.org/gitweb/?p=gnuk/gnuk.git
+* https://github.com/Nitrokey/nitrokey-storage-firmware