download5.1.0 · November 1, 2026
Free and open source, under the GPL. No account, no telemetry, nothing to buy.
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other ways in
Mudlet Web opens a profile in a browser tab with nothing to install, and Mudlet packages and Lua run in it unchanged. Read the source. It is what the terminal on the front page is running.
Mudlet runs on ChromeOS through Linux (Crostini). The wiki has step-by-step instructions.
On Debian 13, Ubuntu 26.04 and Fedora 43 and 44 you can install Mudlet from our package repository instead, so it updates along with the rest of your system:
curl -fsSL https://packages.mudlet.net/install.sh | sudo sh
Every build can run from a USB stick: put an empty portable.txt beside the executable and Mudlet keeps its profiles, packages and settings in a folder next to itself. The wiki has the steps.
portable.txt
The wiki carries build instructions for each OS.
git clone https://github.com/Mudlet/Mudlet
Every previous installer is still available, back to the early releases. Browse the archive.
The Public Test Build carries everything that has landed since 5.1.0, on all three platforms. Download a snapshot.
We keep detailed setup instructions for screen-reader software and Mudlet’s other accessibility options.
Windows builds are code-signed free of charge by SignPath.io, with a certificate from the SignPath Foundation. Mudlet does not transfer any information to other networked systems unless you ask it to.
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