Apps to Encrypted chat

Open Source Social Network (OSSN) is a powerful and feature-rich open-source platform for building social networks. It prioritizes user control, data privacy, and freedom of expression.

Tkabber is a free and open-source instant messaging client specifically designed for the XMPP protocol. Built with the Tk toolkit, it offers a lightweight yet extensible platform for text-based chat, group conversations, and various interactive functionalities supported by XMPP.

ZeroMe is a decentralized, peer-to-peer social network powered by ZeroNet. It offers a censorship-resistant platform where users control their data and communication, featuring threaded conversations, private messaging, and an emphasis on free speech.

Ricochet is a peer-to-peer instant messaging application designed for maximum privacy and anonymity. It leverages the Tor network to connect users directly, eliminating the need for central servers and reducing metadata leakage.

Silence.im is an encrypted text messaging application for Android that prioritizes user privacy and security. It allows for secure communication via SMS/MMS, offering end-to-end encryption when communicating with other Silence users. The app is open-source and ad-free, providing a simple yet powerful platform for private mobile messaging.

MicroSIP is a free, portable SIP softphone for Windows, renowned for its lightweight design and focus on security. It allows users to make secure audio and video calls over the internet using the SIP protocol, supporting various codecs and providing features like encryption and presence.

Echoplexus was a web-based, anonymous chatting platform designed with user privacy as a core principle. It offered IRC-like functionality along with modern features like video chat and file sharing, aiming to provide a secure and private communication space without the need for user registration.

BuddyCloud is a secure and decentralized messaging and social networking platform designed for both individual users and organizations. It provides a rich set of tools for real-time communication, group discussions, and content sharing, prioritizing privacy and user control.

Twister is a peer-to-peer microblogging platform designed for uncensored communication. It operates on a decentralized network, ensuring free speech and privacy without central servers or third-party tracking.

Jitsi Meet is a free, open-source video conferencing platform enabling secure and scalable group calls directly in your browser. It prioritizes privacy and offers features like screen sharing, chat, and collaborative editing without requiring account creation or software downloads.

Otr.to is a secure, privacy-centric, browser-based chat client leveraging Off-the-Record (OTR) encryption. It offers peer-to-peer communication for enhanced anonymity and decentralization, making it a strong choice for private and secure instant messaging without requiring installations.

Xabber is a free and open-source XMPP (Jabber) client for Android. It provides secure and reliable instant messaging with support for various XMPP features, including encryption, group chat, and decentralized communication. Leveraging the open XMPP protocol, Xabber offers a privacy-friendly alternative to centralized messaging platforms.

Instantbird is a powerful, cross-platform instant messaging client built on Mozilla's XULRunner, leveraging the robust libpurple library from Pidgin. It supports a wide array of instant messaging protocols, offering a unified chat experience.

Gajim is a free and open-source instant messaging client for the XMPP protocol. Built using the GTK+ toolkit, it offers a wide array of features for secure and flexible communication, including encrypted chat, group conversations, multi-protocol support via gateways, and extensive customization options.

Minds is an open-source and decentralized social networking service dedicated to online freedom, privacy, and monetization for content creators. It champions free speech and offers a platform that rewards users for engagement through a points and token system.

Ekiga, formerly known as GnomeMeeting, is a free and open-source VoIP and video conferencing application. It allows users to make audio and video calls to other compatible SIP/H.323 clients and even landlines/mobile phones via integrated third-party services, offering a versatile communication solution.

Ring (SFLphone) is a free and open-source communication platform offering secure messaging, voice, and video calls. It leverages decentralization and end-to-end encryption for enhanced privacy across multiple operating systems including Linux, Windows, macOS, and Android.

Kopete is a versatile, free and open-source instant messaging client designed initially for the KDE Plasma desktop. It distinguishes itself by supporting a multitude of protocols, allowing users to connect to various chat networks from a single application.

Tails is a portable operating system designed to preserve your privacy and anonymity. It starts from a USB drive or DVD on almost any computer and routes all internet traffic through the Tor network. Tails includes a suite of privacy-enhancing tools pre-configured for secure communication and data handling.

Psi is a robust, open-source instant messaging client built on the XMPP protocol. It's known for its focus on speed, efficiency, and adherence to XMPP standards, offering a clean interface and strong privacy features for secure and reliable communication.

Linphone is a free and open-source Voice over IP (VoIP) application and SIP client available on multiple platforms. It enables encrypted voice and video calls, instant messaging, and file sharing, offering a privacy-focused communication solution.

Jitsi is a free and open-source suite of secure, flexible communication tools. It offers multi-platform support for voice (VoIP), video conferencing, and instant messaging, emphasizing privacy and ease of use with no account required to start a meeting.

Signal is a secure, open-source messaging application that uses end-to-end encryption to protect user communications. It offers text messaging, voice and video calls, group chats, and file sharing, all with a strong focus on privacy and security. Available on multiple platforms, Signal is a leading choice for individuals prioritizing confidential conversations.

Tox is a free, open-source, and secure peer-to-peer instant messaging and video calling protocol designed for strong privacy and censorship resistance. It provides end-to-end encrypted communications without reliance on central servers.

Mumble is a free and open-source voice communication application designed with low latency and high audio quality in mind, primarily for gamers. It offers features like positional audio, an in-game overlay, and strong privacy through encryption.

Pidgin is a free and open-source multi-protocol instant messaging client designed to connect users across various chat networks with a single application. It's highly extensible through plugins and supports a wide range of protocols including XMPP, ICQ, and IRC.

Hubzilla is a comprehensive platform for building decentralized, interconnected websites with a focus on identity, privacy, and communication. It provides tools for social networking, content publishing, and secure interactions across the federated web.