Mudlet 2.1 (Windows) (unknown, 20,574 downloads)
Add the Mudlet PPA first if you haven’t (ppa:mudlet-makers/ppa, instructions on how to add), and then install Mudlet through the Ubuntu Software Center to have the latest version:
Mudlet 2.1 (Macs) (27.6 MiB, 7,238 downloads)
These are self-contained installers – after downloading, right-click on the file, select Properties, Permissions, and enable Allow executing file as program. If you’re on Ubuntu, use the Ubuntu PPA instead of these installers, as the PPA give you automatic Mudlet updates.
Mudlet 2.1 (Linux 32bit) (15.6 MiB, 1,545 downloads)
Mudlet 2.1 (Linux 64bit) (16.0 MiB, 1,862 downloads)
Source code (browse) is available via git: git clone git://git.code.sf.net/p/mudlet/code mudlet-code