Instant Messengers Page 6 of 17

monocles chat is a fork of blabber.im and Conversations with some changes, to improve usability.

Instant messaging and group collaboration tool with thread-based channels, real-time document editing, Google Workspace integration, search, and enterprise security.

Mostlymatter is a fork of Mattermost meant to remove the users and messages limits. Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.

Samepage facilitates communication, project management, meetings, online collaboration and more by combining chat, video calling, screen sharing, task management, file sharing, and real-time document collaboration in a single collaborative workspace.

Secure messenger that protects against NSO Group (Pegasus) & Cytrox (Predator) from exploiting your iOS device via "zero-click" exploit chains. These exploits are easily delivered via other messaging apps like iMessage, Signal, WhatsApp, etc. Protection for those at the highest risk.

Kahla is a free and open-source, cross-platform business messaging tool that supports end-to-end encrypted message communication and automatic destruction of messages.

Olark comes with a wide range of features to help you customize and manage your live chat experience. Scroll down to see why Olark is super simple yet jam packed with customization, reporting and engagement functionality.

Enables free international video and voice calls, group chats for up to 50, in-app messaging without SMS plan, Spotify music sharing, and fun mini-games.

Chat room directory filled with staff and user created chat rooms, designed to create the 1990s era when people actually spoke to strangers in chat rooms before social networks got invented.

VK Messenger is a fast app for chatting. Stay in touch with friends in chats and calls.

twinme messenger protects your identity & intimacy: no information to identify you and your contacts; relationships under your full control are private, non-transferable.

Peer-to-Peer Chat. Video & Text. Private & Encrypted. Unparalleled Quality.

Kontalk is a secure instant messenger, allowing you to send and receive text, image and voice messages (other file types coming soon) to and from other Kontalk users completely free of charge.

Ricochet Refresh is the new updated version of Ricochet, supported by Blueprint for Free Speech.. We are a non-government, not-for-profit organisation working to safeguard the freedom of expression for whistleblowers, activists, and everybody else, worldwide.

Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of Pidgin . Over 250 add-ons allow user customization of, and addition of, features.

Vidar is an open-source end-to-end encrypted SMS application utilizing the Advanced Encryption Standard (AES256) to send symmetrically encrypted messages. Unlike most messaging apps, Vidar operates entirely over SMS; this eliminates the need for internet access or external...

Toxygen is powerful cross-platform Tox client written in pure Python3.

ConnectyCube is a cloud communication platform for unified development of chat, video chat and push notifications features in native and hybrid mobile and web apps. We provide SDKs for messaging, peer-to-peer and group audio/video calling for iOS(Swift and Objective-C)...

Between is a beautiful space where you can share all your moments only with the one that matters. Create, share and remember all your moments with your special someone.

Secure, self-hosted messenger with private and group chat rooms, voice and video meetings, screen sharing, flexible permissions, and issue tracking.

The easiest way to meet online. Just share your number to be called.

The third-party Telegram android app.

Firework is a program for converting websites and web applications into desktop applications. People use one set of web applications every day for work or play. Firework allows you not to lose such a set among browser tabs and keep it always at hand on the Taskbar or in the...

A true P2P phone application for voice and video calls. No Internet access needed, no registration, not advertisment or calling back "home". Scan each others QR-Code and call each other. This works in over local networks such as community and company networks or at...

Decentralized messaging client for Android, Linux and macOS allowing you to communicate with people or LXMF-compatible systems over Reticulum networks using LoRa, Packet Radio, WiFi, I2P, or any other medium Reticulum supports.