With the rise of government surveillance programs, Tox, a FOSS initiative, aims to be an easy to use, all-in-one communication platform that ensures full privacy and secure message delivery. Tox must use UDP simply because hole punching with TCP is not as reliable. However, Tox does use TCP relays as a fallback if it encounters a firewall that prevents UDP hole punching.
 
It helps to chat instantly across the globe with Tox's secure messages. It supports Encrypted voice calls, Screen sharing, File sharing, Video calls, Share with group or team. Tox has no central servers that can be raided, shut down, or forced to turn over data — the network is made up of its users.

With the rise of government surveillance programs, Tox, a FOSS initiative, aims to be an easy to use, all-in-one communication platform that ensures full privacy and secure message delivery. Tox must use UDP simply because hole punching with TCP is not as reliable. However, Tox does use TCP relays as a fallback if it encounters a firewall that prevents UDP hole punching.

Tox - The future of online communications.

ChatSecure is a instant messaging client for iOS and Android that integrates encrypted OTR ("Off the Record") messaging support from the libotr library and the XMPPFramework to handle Jabber/GTalk (XMPP).

ChatSecure - Encrypted chat client for iOS and Android

Gajim  is a fully-featured XMPP client. It is decentralized messaging platform, Connect to your contacts using a server of your choice. Share pictures, videos, and files with friends and groups. It is end-to-end encrypted, Chat securely using OMEMO, PGP, or OpenPGP. 

Gajim - A fully-featured XMPP client

Conversations is the instant messaging client for the Android. It supports XMPP, Jabber client, Encryption. It supports to send and receive images as well as other kind of files, Pictures / Avatars for your Contacts, Syncs with desktop client, Share your location, Send voice messages, Multiple accounts / unified inbox and lot more.


Conversation - Instant Messaging for Android

Molly is a hardened version of Signal for Android, the fast simple yet secure messaging app by Signal Foundation. Back in 2018, Signal allowed the user to set a passphrase to secure the local message database. But this option was removed with the introduction of file-based encryption on Android. Molly brings it back again with additional security features.
 
<ul>
<li>Data encryption at rest - Protect the database with <a href="https://github.com/mollyim/mollyim-android/wiki/Data-Encryption-At-Rest">passphrase encryption</a></li>
<li>Secure RAM wiper - Securely shred sensitive data from device memory</li>
<li>Automatic lock - Lock the app automatically under certain conditions</li>
<li>Block unknown contacts - Block messages and calls from unknown senders for security and anti-spam</li>
<li>Contact deletion - Allows you to delete contacts and stop sharing your profile</li>
<li>Disappearing call history - Clear call notifications together with expiring messages</li>
<li>Debug logs are optional - Android logging can be disabled</li>
<li>Custom backup scheduling - Choose between daily or weekly interval and the number of backups to retain</li>
<li>SOCKS proxy and Tor support - Tunnel app network traffic via proxy and Orbot</li>
</ul>

Molly is a hardened version of Signal for Android, the fast simple yet secure messaging app by Signal Foundation. Back in 2018, Signal allowed the user to set a passphrase to secure the local message database. But this option was removed with the introduction of file-based encryption on Android. Molly brings it back again with additional security features. 

Molly - A fork of Signal for Android with passphrase lock

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Tox - The future of online communications.

ChatSecure - Encrypted chat client for iOS and Android

Gajim - A fully-featured XMPP client

Conversation - Instant Messaging for Android

Molly - A fork of Signal for Android with passphrase lock

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Projects

Tox - The future of online communications.

ChatSecure - Encrypted chat client for iOS and Android

Gajim - A fully-featured XMPP client

Conversation - Instant Messaging for Android

Molly - A fork of Signal for Android with passphrase lock

TechStack

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