Alternatives to Bitmessage for all platforms with any license

  • Tox icon

    Tox

    Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

    Open Source Mac Windows Linux Android iPhone Android Tablet BSD

  • Signal icon

    Signal

    TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...

    Open Source Mac Windows Linux Android iPhone Chrome

  • I2P icon

    I2P

    The I2P network provides strong privacy protections for communication over the Internet. Many activities that would risk your privacy on the public Internet can be conducted anonymously inside I2P.

    Open Source Mac Windows Linux Android BSD

  • RetroShare icon

    RetroShare

    RetroShare is a open source cross-platform, private and secure decentralized communication system. It lets you to securely chat, share photos, videos, and more, using OpenPGP to authenticate peers and OpenSSL to encrypt all...

    Open Source Mac Windows Linux BSD

  • Adium icon

    Adium

    Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under the GNU GPL and developed by the Adium team. Based on the libpurple protocol library, Adium can connect you...

    Open Source Mac

  • Ring icon

    Ring

    Ring is a secure and distributed voice, video and chat communication platform that requires no centralized server and leaves the power of privacy in the hands of the user.

    Open Source Mac Windows Linux Android

  • Riot.im icon

    Riot.im

    Riot (formerly Vector) is an opensource interoperable app running on Web, iOS and Android. It is built around chat rooms, both public and private and provides messaging, filesharing, voice and video conferencing (beta on Android and...

    Open Source Web / Cloud Android iPhone iPad Self-Hosted Chrome Safari Firefox

  • ChatSecure icon

    ChatSecure

    [ChatSecure by Chris Ballinger and Gibberbot by The Guardian Project have combined efforts!] ChatSecure (formerly “Gibberbot”) is an open-source encrypted messaging application that uses Cypherpunks' Off-the-Record protocol to...

    Open Source Android iPhone iPad

  • Off-the-Record Messaging icon

    Off-the-Record Messaging

    Off-the-Record (OTR) Messaging allows you to have private conversations over any instant messaging (MSN,Gtalk, Facebook and so on) by providing encryption, authentication, deniability, perfect forward secrecy

    Open Source Mac Windows Linux Java Mobile

  • Psi icon

    Psi

    Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open Jabber IM network (also known as XMPP). Localized versions of Psi are available in almost twenty different languages. Built-in...

    Open Source Mac Windows Linux BSD

  • Threema icon

    Threema

    Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages. Unlike other popular messaging apps (including...

    Commercial Android iPhone Android Tablet Windows Phone iPad Android Wear

  • Torchat icon

    Torchat

    TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of Tor's location hidden services, giving you extremely strong anonymity while being very easy to use without the need to install or...

    Open Source Windows Linux

    • Discontinued Last commit in 2014: https://github.com/prof7bit/TorChat
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  • Gajim icon

    Gajim

    The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.

    Open Source Windows Linux BSD Xfce

  • Ricochet icon

    Ricochet

    Anonymous instant messaging for real privacy.

    Open Source Mac Windows Linux

  • Bit Chat icon

    Bit Chat

    Technitium Bit Chat is a secure, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. It can be used over Internet and private LAN networks for instant messaging and file transfer.

    Open Source Windows Linux

  • WeeChat icon

    WeeChat

    WeeChat is a fast, light and extensible chat client. It runs on many platforms (including Linux, BSD and Mac OS). WeeChat is: - modular: a lightweight core with plugins around - multi-protocols: IRC and Jabber (other soon) -...

    Open Source Mac Linux Android BSD Xfce

  • Echoplexus icon

    Echoplexus

    Echoplexus is an anonymous, web-based, IRC-like chatting platform that makes its best effort to respect your privacy. It allows you to create public or private channels. You can encrypt your chats. You can secure a pseudonym for...

    Open Source Web / Cloud

    • Discontinued Not actively maintained
  • Pidgin-Encryption

    Encryption plugin for Pidgin, providing up to 4096 bit RSA encryption using the NSS crypto library from Mozilla. Keys are automatically transmitted and stored, making it very easy to use, but also resistant to man-in-the-middle...

    Open Source Windows Linux BSD Pidgin

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  • Wickr icon

    Wickr

    Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender control. Shredder – Irreversibly remove all deleted messages, images, and video content from your device Configurable Timer – Set...

    Free Mac Windows Linux Android iPhone Android Tablet iPad

  • FireFloo Communicator icon

    FireFloo Communicator

    FireFloo is an instant messaging communicator combining the open XMPP standard (Jabber, GMail Chat etc.) with the echo protocol for multi-encrypted messaging. Use various methods to send chipertext over open standards like libgcrypt...

    Open Source Mac Windows Linux Android

  • Cyanide icon

    Cyanide

    Cyanide is Tox client for Sailfish OS . Features 1v1 messaging DNS discovery Typing notification Sound, LED & lockscreen...

    Open Source Self-Hosted Sailfish OS

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