Download alphaMELTS

The current version is 1.7 posted on October 14th, 2016

α alphaMELTS software is available in compiled executable form, for Windows, Mac OS X, and Linux. Supplementary updates of the alphamelts executable, without the ancillary files, are provided for bug-fixes and new features. A lightweight Linux VirtualBox installation of alphaMELTS provides an alternative to installing Perl on Windows. See the list of pros and cons if you are trying to choose between VM (virtual machine) alphaMELTS and the native Windows version.

Click the button to download the compressed disk image (requires javascript). The following software is preinstalled in VM alphaMELTS 1.7:The button will download the 32-bit version. An alternative download link is available (please log in!). Please see the *README* for a package file list, a list of changes since previous alphaMELTS versions, and checksums for downloads. To reset this page and display the VM alphaMELTS pros and cons click the DOWNLOAD tab above.

VM alphaMELTS has its own installation process that is not included in the main documentation. Once completed, please read the Welcome to VM alphaMELTS forum post. The VirtualBox board will also have more specific information about copying files between host and guest operating systems, working with 'snapshots' (rather like Windows' restore points) and updating 'Guest Additions'. The various Operating System specific boards may help in getting started with Lubuntu. A VM alphaMELTS version of the 'Double-click mode' tutorial will be made available soon (or on demand), as drag-and-drop does not work in the same way as on other systems.

There are two options for updating VM alphaMELTS. The first is simply to update alphaMELTS and / or rhyolite-MELTS within the virtual machine. Alternatively, you can replace the entire virtual machine with the latest VM alphaMELTS version, which also updates Lubuntu and includes the current rhyolite-MELTS.

Before installing VM alphaMELTS for the first time: To install VM alphaMELTS: To update the VM alphaMELTS components individually: To update the VM alphaMELTS installation:

Consult the documentation (please right-click and choose 'Save As...' or similar) to get the alphaMELTS software running correctly, including the sections on 'Setting up alphaMELTS', 'Bugs and Fixes', and 'What to do if (pH)MELTS misbehaves' (opens in a separate window). Also check the Errata and bug fixes section of the alphaMELTS support page for any temporary problems and workarounds (last updated October 14th, 2016).

Note: the alphaMELTS GitList server contains the very latest versions of the scripts and example files for alphaMELTS. Some of these files may be under development and will not necessarily work correctly with the publicly available alphamelts executable. When minor bug fixes are made to scripts or example files, between alphaMELTS releases, a link to the appropriately dated GitList version of the file(s) will be given on the alphaMELTS support page.


Linux logoLinux alphaMELTS is available for 32-bit and 64-bit architectures. The executables were built on Ubuntu 14.04 LTS (llvm 3.4). They should run on other systems but if not please let us know, including the OS version and the output of 'gcc -v'.

OS X logoMac OS X alphaMELTS is available for Intel processors only.

Windows logoWindows alphaMELTS requires the Perl program to be installed. MATLAB contains a small Perl installation, or for users without admin access we recommend the portable version of Strawberry Perl.

VirtualBox logoVM alphaMELTS is a lightweight Linux (Lubuntu 32-bit) installation that will be of most use to Windows users. It comes with the latest versions of alphaMELTS and rhyolite-MELTS pre-installed. Users will need the VirtualBox program, which requires admin privileges for installation.


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