Description: GPGMail is an open-source email encryption plugin for Thunderbird and Seamonkey. It integrates OpenPGP encryption into the email client, allowing users to easily encrypt, decrypt, sign and verify emails and attachments.
Type: software
Pricing: Open Source
Description: Kolab Community is an open-source groupware suite that focuses on email, calendaring, contacts management, and task management. It emphasizes security, privacy, open standards support, and integration.
Type: software
Pricing: Open Source