Altus
Desktop client for WhatsApp Web with themes, notifications and multiple account support
Install / Use
/learn @amanharwara/AltusREADME
Altus
Altus is an Electron-based WhatsApp client with themes and multiple account support, available for Windows, Mac and Linux!
Installation
Windows
- Download the
.exefile from the latest release - Run the file and follow the setup wizard
If you see a "Windows protected your PC" error, it's because Altus is not signed. If you have doubts you can verify the file is safe using something like VirusTotal or any other antivirus software. To continue with the installation,
- Click on "More info"
- Click "Run anyway"
macOS
- Download one of the
.dmgfiles from latest release- If you're on an Intel mac, download the regular
.dmgfile - If you're on an M-series mac, download the
-arm64.dmgfile
- If you're on an Intel mac, download the regular
- Open the dmg file
- Drag the
Altusicon onto theApplicationsicon as instructed
If you're on an M-series (i.e. arm) macOS, you'll need to run the following command, otherwise you'll get a Altus is damaged and cannot be opened. error.
sudo xattr -d com.apple.quarantine /Applications/Altus.app
Linux
- Download the
.AppImagefile from the latest release - Make sure it is executable by running
chmod +x ./Altus-*.AppImagein the same directory - Run the AppImage by either double-clicking it or running
./Altus-*.AppImage
There are separate tools like AppImageLauncher that make it easier to run the file and integrate it into your DE.
Features
Altus uses the GitHub-produced Electron framework to wrap around WhatsApp Web and add extra features to it.
- Multiple Account Support: As of v2.0, you can use multiple WhatsApp accounts simultaneously!
- Native notification support for all of the platforms. Clicking the notification opens that specific chat!
- Online Indicator: Shows an indicator at the bottom-left corner of the chats that are online!
- Dark mode for when you need to chill out your eyes in the night (or even in the day)
- Custom Theme Support: Write your own CSS theme for WhatsApp or use the in-built Theme Customizer to create a new one just by picking colors!
- Available for most desktop platforms including Windows (7 or above), Linux and MacOS.
- Tray icon so you can minimize the app completely and still receive notifications.
Feature Requests
In order to submit a feature request, create a new issue with the label enhancement.
Please make sure that you provide a helpful description of your feature request. If possible, try implementing the feature yourself by forking this repository and then creating a pull request.
Screenshots
First Start

Default Theme

"Dark Plus" Theme

Acknowledgements
Below is the list of the dependencies that helped me greatly to create this app.
Dark-Whatsapp (vednoc/dark-whatsapp) - used as the base for the dark theme. A really cool project, you should definitely check it out!
Inter rsms/inter - The font used in Altus.
electron-store (sindresorhus/electron-store) - used to store information of settings, tabs and themes
Contributors
Below is the list of contributors who have contributed to Altus by creating a feature or helping fix an issue.
Melvin-Abraham - Helped fix issues #55, #53
Dylan McDougall - PR #10 (Added feature - Confirmation Dialog on close)
Dafnik - PR #5 (Helped fix issue #4)
Marcelo Zapatta - PR #77 (Fixed #23 by adding tray icon support on Linux)
Maicol Battistini - PR #153 (Added Italian translation)
Nicolás González Meneses - PR #163 (Added Spanish translation)
Hugo Rocha de Moura - PR #185 (Added Portuguese(pt) translation)
Related Skills
openhue
338.0kControl Philips Hue lights and scenes via the OpenHue CLI.
sag
338.0kElevenLabs text-to-speech with mac-style say UX.
weather
338.0kGet current weather and forecasts via wttr.in or Open-Meteo
tweakcc
1.4kCustomize Claude Code's system prompts, create custom toolsets, input pattern highlighters, themes/thinking verbs/spinners, customize input box & user message styling, support AGENTS.md, unlock private/unreleased features, and much more. Supports both native/npm installs on all platforms.
