Enigmail
enigmail.netOpenPGP email support for SeaMonkey and Epyrus
OpenPGP email support for SeaMonkey and Epyrus
A command-line mail client that accepts prepared encrypted messages
Email aliases that forward and reply through your existing inbox
Automatic outbound mail encryption with a fallback recipient link
A plugin-based mail client with PGP and S/MIME support
A beta encrypted-mail service within a larger workspace
Encrypted hosted mail with an explicit outside-image limitation
Encrypted mail with migration tools and apps across devices
Terminal email with PGP and several mailbox backends
Manage OpenPGP keys and encryption integrations on Android
Encrypt a file vault before cloud storage syncs it
Temporary file links with provider-described end-to-end encryption
Paid private mail with optional encrypted storage and standard protocols
KDE mail with OpenPGP, S/MIME and contact-based crypto preferences
A terminal mail interface with PGP/MIME and a Notmuch index
Encrypted attachments and messages within Outlook and Gmail
A private cloud file vault with sharing controls
A secrets-management service for storing sensitive values and issuing credentials to applications.
Search shell history with command context, and optionally sync it across machines with encryption.
A connected-notes app with a knowledge graph, visual maps, transcription, and an optional AI agent.
Plan and share personal or professional events in an encrypted calendar across desktop and mobile apps.
Native Markdown notes for Mac and iPhone, stored in files you can open elsewhere.
Private business messaging with encrypted groups, files, voice calls, and disappearing messages.