Implementations different from GnuPG that aim for OpenPGP compliance.
OpenPGP.js
License: GNU LGPL v>=2.1.
used by:
- https://www.mailvelope.com/ (License GNU Affero v==3) for Webmail -- extensions for Chrome/Chromium & Firefox
- Mymail-Crypt for Gmail (License: GNU GPL v>=2) -- extension for Chrome/Chromium
Completeness: ?
Compatibility: ?
kbpgp
https://github.com/keybase/kbpgp
Keybase's PGP for JS claims: Public-key crypto and improvements to OpenPGP.js
| License | X11-style |
| Programming Language/Environment | Iced Coffescript compiling to Javascript |
| Completeness | ? |
| Compatibility | ? |
| Used by | https://keybase.io/ (likely), though keybase also claims to use GnuPG and maintains a GnuPG-wapper module |
Chromium Extension End-to-End
https://code.google.com/p/end-to-end/
| License | Apache 2.0 |
| Programming Language/Environment | Javascript, Chromium Extension |
Completeness: ? Claims to only create ECC certificates (which curve parameters?)
Compatibility: ?
- Google announced a Chromium extension that supports OpenPGP, see http://googleonlinesecurity.blogspot.de/2014/06/making-end-to-end-encryption-easier-to.html
- Heise newsarticle in DE: http://www.heise.de/newsticker/meldung/Google-experimentiert-mit-End-to-End-Verschluesselung-fuer-GMail-2215680.html
Android Privacy Guard
http://thialfihar.org/projects/apg/
| License | GPL 3+ |
| Programming Language/Environment | Java, Android SDK |
Completeness: ?
Compatibility: ?
Integrates with the K-9 Mailer.
OpenPGP-Keychain
http://www.openkeychain.org/about/ , Fork of APG. Uses Bouncy Castle.
| License | GPL 3+ |
| Programming Language/Environment | Java, Android SDK |
Completeness: ?
Compatibility: ?
Bouncy Castle
https://en.wikipedia.org/wiki/Bouncy_Castle_(cryptography) (Homepage with ads: https://bouncycastle.org/)
| License | MIT |
| Programming Language/Environment | Java |
Completeness: ?
Compatibility: ?
Discussion
- https://news.ycombinator.com/item?id=7843297 Discussion about OpenPGP.js codequality and choice of reimplementation in End-to-End.