SecureGmail encrypts and decrypts emails you send in Gmail. Created by Streak An extension to send secure, encrypted messages through Gmail.SecureGmail encrypts and decrypts emails you send in Gmail. This happens all on your machine, and the unencrypted text never reaches Google servers. This is useful if you don’t want anyone but the intended recipient to ever read your email (i.e. companies, governments, etc.)Open sourceWith any security project, community involvement is the key to helping identify flaws and verify the what the app is actually doing. More Info »How secure is it?SecureGmail uses symmetric encryption to encrypt and decrypt each message. The password is decided by the user and assumes the recipient already knows it. SecureGmail is only as good as your password, pick an easy to guess password and it will be easy to break. Shared knowledge can be a useful and convenient password. Remember to never email or IM your password for others to intercept.
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Secure Gmail
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 1 | Tutanota Alternatives and Similar Software | Online Android iPhone iPad F-Droid |
Free for personal use | Website | ||
| 2 |  |
MsgSafe.io |
Web S/MIME |
Android iPhone OpenPGP Software as a Service (SaaS) |
Freemium | Website |
| 3 |  |
Yandex.Mail |
Web S60 |
Windows Mobile Java Mobile Android iPhone Android Wear |
Free | Website |
| 4 |  |
Mailvelope | Chrome | Mac Chrome OS Windows Firefox Linux |
Free | Website |
| 5 |  |
ProtonMail | Web | Android iPhone iPad |
Freemium | Website |
| 6 |  |
mailbox.org | Web | Commercial | Website | |
| 7 |  |
Vivaldi Mail | Web | Free | Website | |
| 8 |  |
Mailpile | Web | Self-Hosted OpenPGP Linux |
Free | Website |
| 9 |  |
Kolab Now |
Web DAVdroid |
Software as a Service (SaaS) | Commercial | Website |
| 10 |  |
Enigmail |
Thunderbird GnuPG |
Mac Windows SeaMonkey Linux |
Free | Website |