chat

Collaborate more effectively with a faster, simpler, smarter, and more flexible Teams.

A cloud-based mobile and desktop messaging app with a focus on security and speed.

Your Place to Talk and Hang Out

Team Chat, Phone, Video & More

Signal is an encrypted communications application.

Free and secure calls and messages to anyone, anywhere.

Cisco Webex is the leading enterprise solution for video conferencing, online meetings, screen share, and webinars. Web conferencing, cloud calling and equipment.

With industry leading video conferencing, calling, and contact center solutions, Webex fuels hybrid work for businesses of all sizes.

Use crystal clear sound to communicate with your team mates cross-platform with military-grade security, lag-free performance & unparalleled reliability and uptime.

Slack brings the team together, wherever you are.

Connecting a billion people with calls, chats and more

Meet with anyone on any device. GoTo makes virtual meetings simple and secure, so you can always do your best work together, wherever.

An instant messaging tool that gives you the best way to keep in touch with your friends and family

Low-latency and high quality voice chat primarily intended for use while gaming.

Secure collaboration and messaging

Onion routing based messenger

Create customizable, reusable, and secure virtual experiences, as engaging as real-life interactions with Adobe Connect 12

All your chats in one app. Yes, really.

Alibaba's instant messaging and trading tool tailored for transactions on Taobao and 1688

IRC (Internet Relay Chat) client

Performant and 100 % GDPR compliant videoconferencing

Entertainment live streaming platform and high-quality voice chat service.

Cisco Jabber is an all-in-one communications tool for businesses. You use it to send instant messages, make phone calls, join meetings, and manage your contacts.

A feature-rich desktop native client developed for Windows, MacOS, and Linux platforms, allowing you to enjoy the instant messaging service on your PC.

Rocket.Chat is the leading open source team chat software solution. Free, unlimited and completely customizable with on-premises and SaaS cloud hosting.

qTox is a chat, voice, video, and file transfer instant messaging client using the encrypted peer-to-peer Tox protocol

Communicate your way with team messaging, video meetings, and a modern business phone—all in one place.

Work efficiency and team collaboration tool

Bring meeting spaces online

A free messaging app for services like WhatsApp, Slack, Messenger and many more.

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

Jitsi Meet is an open-source (Apache) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, secure and scalable video conferences.

A communications service that lets you meet, chat, and place business calls inside and outside your organization, all using a single application.

A secure corporate messenger from Yandex with a familiar interface

Free, Secure & Reliable Messages and Calls

An IRC client based on XChat.

Pidgin is a universal chat client, allowing you to consolidate all your different messaging apps into a single tool.

Peer-to-peer chat application with end-to-end encryption for private messaging, calls, and file sharing.

Graphical client for the Soulseek peer-to-peer network

Cloud PBX 2.0 ist Ihre benutzerfreundliche und sichere App zum Telefonieren (inkl. Videotelefonie), Schreiben von Nachrichten, Abhalten von Meetings und Arbeiten in einem.

RetroShare is a decentralized, private, secure, cross-platform, communication toolkit.

Start meetings and effortlessly collaborate using our desktop application to get work done from anywhere, at any time.

An easy-to-use app to connect directly to virtual meeting rooms or any other video endpoint, securely and seamlessly.

Heybox Chat, a way for gaming

BeeBEEP is the office messaging application that does not need an external server to let users communicate with each other.

End-to-end encryption for things that matter. Keybase is secure messaging and file-sharing.

Mumble server for Mumble client.

Caprine is an elegant Facebook Messenger desktop app

Jitsi Meet desktop application powered by :electron:

The Unite Desktop let you chat, meet, call, and more, from anywhere. Transform your devices into powerful communications tools.

The AI-powered customer service platform built for collaboration

Free remote desktop tool for secure peer to peer screen sharing, remote control, file transfer, and chat.

A video conferencing solution that allows you to connect with your team and customers in real-time.

A decentralized and secure messenger app

Accompany each other anytime, anywhere

Everything you need to connect everyone — all on one platform.

A fully integrated intelligent cloud-based unified communications (UC) solution

Moderner, portabler WebView2-basierter Grok-Client mit Makro-Hotkeys, Boss-Taste, Medienansicht und Tray-Menü.

Ricochet is an experimental kind of instant messaging that does not trust anyone with your identity, your contact list, or your communications.

Desktop client for Matrix using Qt and C++20.

AdiIRC is a free Internet Relay Chat (IRC) client

A Qt-based IM client for Matrix

Instant messaging as free and open as it should be.

Command-line interface for Slack Web API

Command-line interface for Slack Web API

Self hosted local network messaging system

Qt-based I2P chat client.

Make enterprise communication more efficient.

Bring meeting spaces online

A privacy-first WhatsApp Web desktop client

Call, message, meet, and access files, from wherever you are.

Call, message, meet, and access files, from wherever you are.

An open-source AI assistant with persistent memory

A lightweight, distraction-free desktop wrapper for Facebook Messenger.

Boost meeting efficiency for any conference space with Rooms - a wireless and scalable solution for your video conferencing needs.

Boost meeting efficiency for any conference space with Rooms - a wireless and scalable solution for your video conferencing needs.

Go ahead, video conference with your entire team; whether they’re working from home or in a remote office - or get the whole family together and connect!

A native SillyTavern client with a Rust backend, built with Tauri.

Lightweight terminal chat with WebSockets and optional E2E encryption

FastMeeting allows you to communicate with others in voice, video or text, and share whiteboards, documents or desktop screens. It is widely used in many scenarios including business meeting, remote education and online training.

A chat app that puts you first.

Self-hosted, federated chat platform with voice, video, threads, and scheduled events.

A distributed agentic AI platform to run all your AI agents everwhere on every device.

A local-first desktop client for coordinating AI agents with your own API keys.

Rovo Desktop is the best way to access Rovo from your Windows or macOS device. It's a dedicated spot to chat, manage agents, and complete tasks while staying connected to your workplace knowledge.

Chatty is a chat software specifically made for Twitch, in the spirit of a classic IRC Client.

A modern and secure instant messaging for people, business and healthcare

Anonymous peer-to-peer instant messaging

More structured, more asynchronous, and less distracting messenger for remote communication.

A private, end-to-end encrypted real-time desktop chat application.

Community AionUi build with a transparent WebUI login bypass patch

Matrix Client

Rocket.Chat client

IRC client

Jabber IM Client

Kotatogram Desktop, being based on Telegram Desktop, has all its features, but it also has some more useful and cosmetic features.

Launch your games, connect with friends, and stay up to date with the latest news.

Developer-focused desktop workspace that integrates AI chat, terminal emulation, SSH remote management, Git tooling, and a built-in browser panel.

Debug, test and iterate agent/bot application locally.

Experimental peer-to-peer chat client for the I2P anonymity network

Guilded upgrades your group chat and equips your server with integrated event calendars, forums, and more – 100% free.

Terminal-based LAN chat and file transfer for local networks

One app for all your communication services! Use messengers like WhatsApp, Telegram, Messenger, Skype, Gmail and many more in one app!

A Local-first chat analysis tool: Relive your social memories powered by SQL and AI Agents.

Collaborate with your colleagues and peers across the finance world

Cross-platform desktop client for Facebook Messenger

Native desktop client for InferenceHub chat — frontier and open-weight models with web search and deep research.