Qt 5 Tox client for Android.

Aamu.app is an all-in-one workspace that brings tasks, docs, helpdesk, email, chat, meetings, forms, databases, APIs, and AI into one connected interface, helping teams manage projects, support customers, and collaborate without switching between disconnected apps.

jami-commander (jc for short) is a simple but convenient CLI-based Jami client app for setting up accounts and swarms as well as sending.

Kotatogram Desktop is an modified version of official Telegram Desktop app. Aside from having all features that official app does, it has some more features, such as:

Supercharged Telegram experience — unlocked, feature-rich, secure messaging.

Enables communities to organize with voice, video, text chat, integrated docs, tasks, permission management, and real-time messaging across desktop and mobile.

Eclipse Mosquitto is an open source (EPL/EDL licensed) message broker that implements the MQTT protocol versions 5.0, 3.1.1 and 3.1. Mosquitto is lightweight and is suitable for use on all devices from low power single board computers to full servers.

Whisperr is an anonymous messaging platform where people can send you confessions or thoughts — and you can reply publicly or privately.

Circles is the secure social sharing app for families and friends.

SECURITY

Every Circles post is encrypted end to end using state of the art secure messaging protocols from Matrix. No one can read your posts or look at your photos unless you invite them first.

FOR PARENTS.

Zerion is a secure messaging app and encrypted vault designed for people who need private, anonymous, censorship-resistant communication.

End-to-end encrypted chat, VOIP, and video calling used by millions of people.

Demonsaw is the next leap in the evolution of a free Internet, and the debut of social cryptography. Demonsaw is designed to protect your anonymity and hide what you're sharing.

AirSend is a simple collaboration space for professionals and small teams that brings all your conversations, files, notes, and to-do lists into one place so that you can get work done faster and easier.

HCL Connections is a leading social software platform that can help your organization engage the right people, accelerate innovation and deliver results. This integrated, security-rich platform helps people engage with networks of experts in the context of critical business...

BORGChat is a LAN messaging software program. It has achieved a relative state of popularity and it is considered to be a complete LAN chat program.

signal-cli is a commandline interface for the Signal messenger. It supports registering, verifying, sending and receiving messages. signal-cli uses a patched libsignal-service-java, extracted from the Signal-Android source code.

Secure and private open source peer-to-peer Instant Messenger.

Blue Mind is a complete solution of company messaging, calendars and collaborative work. It aims to enable you to work daily with comprehensive, useful, efficient and effective tools.

Safe, Fast And Decentralized Messenger.

Zangi Private Messenger is a decentralized messaging app with a focus on security and low data usage.

This simple Matrix client written in Python allows you to send and receive messages and files, verify other devices, and interact with your Matrix account or other Matrix users in many ways. You use it from the terminal (CLI) or integrate it into other simple Python programs.

Mouse jiggler macOS app that auto moves your cursor so that you always appear online and active on messaging apps. Ideal if you need to keep your connection to citirix or your VPN active without having to reconnect.

Messenger for Desktop is a wrapper for the official client messenger.com. Therefore it works like a regular browser which can only navigate to the messenger.com web app. MFD doesn't touch your messages, account or personal data. All that is handled securely by Facebook.

Bee allows you to have a website, a work platform, a CRM and up to 100 people working at the same time.

Zenoh unifies data in motion, data at rest and computations. It elegantly blends pub/sub with geo distributed storage, queries and computations, while retaining a level of time and space efficiency that is well beyond any of the mainstream stacks.

Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.