# Chatterino2 (open-source chat app)

> Chatterino2 is a free, open-source chat app for Windows, macOS and Linux. Chat client for https://twitch.tv. It has 2,567 GitHub stars and is released under the MIT license. Its source code is on GitHub at Chatterino/chatterino2.

Chatterino 2 is a chat client for Twitch.tv. The Chatterino 2 wiki can be found here. Contribution guidelines can be found here.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Chatterino/chatterino2 |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 2,567 |
| License | MIT (open source) |
| Replaces | n/a |
| Language | C++ |
| Website | https://chatterino.com/ |
| Official | no |
| Category | Chat & communication |
| Latest release | v2.5.6 (Oct 4, 2026) |
| Last commit | Oct 4, 2026 |

## Install

### Flathub (Linux)

```sh
flatpak install flathub com.chatterino.chatterino
```

Package page: https://flathub.org/apps/com.chatterino.chatterino

### Chocolatey (Windows)

```sh
choco install chatterino
```

Package page: https://community.chocolatey.org/packages/chatterino

## Similar desktop apps

- [Tdesktop](https://appsgit.com/desktop-apps/tdesktop): Telegram Desktop messaging app. (33,131 stars, GPL-3.0)
- [Zulip](https://appsgit.com/desktop-apps/zulip): Zulip server and web application. Open-source team chat that helps teams stay productive and focused. (26,012 stars, Apache-2.0, official)
- [Signal Desktop](https://appsgit.com/desktop-apps/signal-desktop): A private messenger for Windows, macOS, and Linux. (16,565 stars, AGPL-3.0, official)
- [Hammerspoon](https://appsgit.com/desktop-apps/hammerspoon): Staggeringly powerful macOS desktop automation with Lua. (16,240 stars, MIT, official)
- [Solaar](https://appsgit.com/desktop-apps/solaar): Linux device manager for Logitech devices. (9,459 stars, GPL-2.0)
- [BetterDiscord](https://appsgit.com/desktop-apps/betterdiscord): Better Discord enhances Discord desktop app with new features. (9,272 stars, Apache-2.0, official)

---

Canonical page: https://appsgit.com/desktop-apps/chatterino2
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed nightly.
Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.
