Discover best Secure Messaging softwares, apps and websites.

Best Secure Messaging Softwares and Apps

For windows Mac Linux Web / Cloud Android iPhone iPad Chrome Firefox

Signal

Open Source

Signal is the most scalable encryption tool.

Kolab Now

Commercial

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

Conversations

Freemium

Conversations is an open source XMPP/Jabber client for the Android platform.

Otr.to

Open Source

Otr.to is a browser based chat client.

Zulip

Open Source

Zulip is a chat and collaborative software.

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 cl…

Threema

Commercial

Threema is an encrypted instant messaging application for iOS, Android and Windows Phone.

Sicher

Commercial

Sicher is a freeware instant messaging application for iOS, Android, and Windows Phone. Sicher allows users to exchange end-to-end encrypted text messages, me…

Mailfence

Freemium

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