Robuta

https://www.oldversion.com/software/com-mywickr-wickr2/com-mywickr-wickr2-2-4-4-26/
Find and download older versions of software for Windows, Mac, Linux, Android, and games. Because newer isn't always better.
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https://linagora.com/en/twake-chat
Free, open-source, and secure instant messaging for all types of professional use
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https://www.hostinger.com/es/vps/docker/databag
Deploy Databag on your VPS in one click with Docker. Host a federated messenger with end-to-end encryption, audio and video calls, and full privacy.
secure messengervpsdockerone
https://www.eff.org/deeplinks/2018/03/thinking-about-what-you-need-secure-messenger
All the features that determine the security of a messaging app can be confusing and hard to keep track of. Beyond the technical jargon, the most important...
secure messengerthinkingneedelectronic
https://www.hostinger.com/fi/vps/docker/databag
Deploy Databag on your VPS in one click with Docker. Host a federated messenger with end-to-end encryption, audio and video calls, and full privacy.
secure messengervpsdockerone
https://www.hostinger.com/ro/vps/docker/databag
Deploy Databag on your VPS in one click with Docker. Host a federated messenger with end-to-end encryption, audio and video calls, and full privacy.
secure messengervpsdockerone
https://www.hostinger.com/br/vps/docker/databag
Deploy Databag on your VPS in one click with Docker. Host a federated messenger with end-to-end encryption, audio and video calls, and full privacy.
secure messengervpsdockerone
https://www.hostinger.com/ng/vps/docker/databag
Deploy Databag on your VPS in one click with Docker. Host a federated messenger with end-to-end encryption, audio and video calls, and full privacy.
secure messengervpsdockerone
https://www.hostinger.com/be-nl/vps/docker/databag
Deploy Databag on your VPS in one click with Docker. Host a federated messenger with end-to-end encryption, audio and video calls, and full privacy.
secure messengervpsdockerone
https://www.hostinger.com/ua/vps/docker/databag
Deploy Databag on your VPS in one click with Docker. Host a federated messenger with end-to-end encryption, audio and video calls, and full privacy.
secure messengervpsdockerone
https://cyberinsider.com/secure-encrypted-messaging-apps/wire/
Jul 10, 2025 - Wire messenger is a secure messaging service that is open source and audited. But this Wire review uncovered some problem areas.
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https://www.skred.app/
Jul 7, 2025 - Skred is a secure messaging app with no phone number or email required. Total freedom: no SIM, no operator, no subscription, no tracking.
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https://f-droid.org/packages/im.vector.app/
Group messenger - encrypted messaging, group chat and video calls
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https://dealogx.com/
secure messengersimple
https://delta.chat/en/
Delta Chat is a decentralized and secure messenger app 💬 Reliable instant messaging with multi-profile and multi-device support ⚡️ Sign up to secure and...
delta chatsecure messengerdecentralized
https://nyrmo.optummessenger.com/
secure messagingoptummessenger