Secure Messaging Online Apps

Discover best Secure Messaging Online softwares, apps and websites.

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Mailfence

Mailfence

Freemium

Mailfence is a web-based email service that offers OpenPGP based end-to-end encryption and digital signatures.

Office & Productivity Security & Privacy Social & Communications
Zulip

Zulip

Open Source

Zulip is a chat and collaborative software.

Development Office & Productivity Social & Communications
Otr.to

Otr.to

Open Source

Otr.to is a browser based chat client.

File Sharing Social & Communications
Kolab Now

Kolab Now

Commercial

Kolab Now is a web-based email and groupware service, based completely on free and open-source software.

Backup & Sync Office & Productivity Online Services Security & Privacy
Wire

Wire

Free

Wire is a cross-platform, encrypted instant messaging client created by Wire Swiss. It is available for iOS, Android, Linux, Windows, macOS and Web browser clients.