Does WhatsApp work on Linux?
Partly. Meta has no WhatsApp desktop app for Linux, but the web version works in a Linux browser.
Use WhatsApp in a web browser
Meta offers WhatsApp on the web. Open it in Firefox, Chrome or Edge on Linux and sign in. Chrome and Edge can usually install web apps like this one in their own window.
Best WhatsApp alternatives for Linux
Sources
WhatsApp on Linux: common questions
Does WhatsApp work on Linux?
Partly. Meta has no WhatsApp desktop app for Linux, but the web version works in a Linux browser.
What is the best Linux alternative to WhatsApp?
Telegram and Signal are the closest alternatives that run on Linux. Telegram: Telegram has an official Linux app. It’s on Flathub (5.7M installs) and in the Arch Linux and openSUSE Tumbleweed repositories.