http://sufficientlysecure.org/keychain

OpenPGP Keychain is an OpenPGP implementation for Android. The development began as a fork of Android Privacy Guard (APG).

License: GPLv3+

Developers OpenPGP Keychain

• Dominik Schürmann (Lead developer)
• Ash Hughes (crypto patches)
• Brian C. Barnes
• Bahtiar 'kalkin' Gadimov (UI)

Developers APG 1.x

• 'Thialfihar' (Lead developer)
• 'Senecaso' (QRCode, sign key, upload key)
• Oliver Runge
• Markus Doits

Libraries

• ActionBarSherlock (Apache License v2)
• StickyListHeaders (Apache License v2)
• Android-Bootstrap (MIT License)
• ZXing (Apache License v2)
• SpongyCastle (MIT X11 License)
• HtmlTextView (Apache License v2)
• Icons from RRZE Icon Set (Creative Commons Attribution Share-Alike licence 3.0)
• Icons from Tango Icon Set (Public Domain)