Open Source Chat & Video Call Apps

Tdesktop

telegramdesktop/tdesktop

Telegram Desktop messaging app.

Zulip

zulip/zulip

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Signal Desktop

signalapp/Signal-Desktop

A private messenger for Windows, macOS, and Linux.

Hammerspoon

Hammerspoon/hammerspoon

Staggeringly powerful macOS desktop automation with Lua.

Solaar

pwr-Solaar/Solaar

Linux device manager for Logitech devices.

BetterDiscord

BetterDiscord/BetterDiscord

Better Discord enhances Discord desktop app with new features.

Vesktop

Vencord/Vesktop

Vesktop is a custom Discord App aiming to give you better performance and improve linux support.

Mumble

mumble-voip/mumble

Mumble is an open-source, low-latency, high quality voice chat software.

HuLa

HuLaSpark/HuLa

A cross-platform instant messaging desktop application with exceptional performance built on Rust + Vue3, compatible with Windows, macOS, Linux, Android, and…

Red DiscordBot

Cog-Creators/Red-DiscordBot

Music, Moderation, Trivia, Stream Alerts and Fully Modular.

Qq Chat Exporter

shuakami/qq-chat-exporter

QQ聊天记录、表情包导出工具 | 自动化提取图片/文字/图片消息，支持TXT/JSON导出，高效备份，支持NT QQ.

Finicky

johnste/finicky

A macOS app for customizing which browser to start.

Franz

meetfranz/franz

Franz is a free messaging app for services like WhatsApp, Slack, Messenger and many more.

WePush

rememberber/WePush

专注批量推送的小而美的工具，目前支持：模板消息-公众号、模板消息-小程序、微信客服消息、微信企业号/企业微信消息、阿里云短信、阿里大于模板短信 、腾讯云短信、云片网短信、E-Mail、HTTP请求、钉钉、华为云短信、百度云短信、又拍云短信、七牛云短信.

Ferdium App

ferdium/ferdium-app

All your services in one place, built by the community.

Legcord

Legcord/Legcord

Legcord is a custom client designed to enhance your Discord experience while keeping everything lightweight.

Streamlink Twitch Gui

streamlink/streamlink-twitch-gui

A multi platform Twitch.tv browser for Streamlink.

Chatterino2

Chatterino/chatterino2

Chat client for https://twitch.tv.

Nheko

Nheko-Reborn/nheko

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

Dino

dino/dino

Modern XMPP ("Jabber") Chat Client using GTK/Vala.

Wayback

wabarc/wayback

An archiving tool with an IM-style interface that prioritizes privacy and accessibility, integrated with various archival services including Internet Archive, archive.today, Ghostarchive, IPFS…

Abaddon

uowuo/abaddon

An alternative Discord client with voice support made with C++ and GTK 3.

AdaptiveCards

microsoft/AdaptiveCards

A new way for developers to exchange card content in a common and consistent way.

Dissent

diamondburned/dissent

Dissent (previously gtkcord4) is a third-party Discord client designed for a smooth, native experience on Linux desktops.

Installer

BetterDiscord/Installer

A simple standalone program which automates the installation, removal and maintenance of BetterDiscord.

Rocket.Chat.Electron

RocketChat/Rocket.Chat.Electron

The Secure CommsOS for mission-critical operations.

Zapfast

crmne/zapfast

ZapFast: a fast, native WhatsApp client in Rust and egui.

Jitsi Meet Electron

jitsi/jitsi-meet-electron

Jitsi Meet desktop application powered by.

Zapzap

rafatosta/zapzap

WhatsApp desktop application written in PyQt6 + PyQt6-WebEngine.

Deltachat Desktop

deltachat/deltachat-desktop

Decentralized private messenger with chat-shared tools and games for Desktop.

LlamaChat

alexrozanski/LlamaChat

Chat with your favourite LLaMA models in a native macOS app.

Telephone

64characters/Telephone

Telephone is a VoIP SIP softphone for Mac.

Tangram

sonnyp/Tangram

Tangram is a new kind of browser. It is designed to organize and run your Web applications.

GoofCord

Milkshiift/GoofCord

Take control of your Discord experience with GoofCord – a highly configurable and privacy minded discord client.

Chatty

chatty/chatty

Twitch Chat Client written in Java.

Actiona

Jmgr/actiona

Actiona 3: cross-platform automation tool.