A Patch Editor And Librarian For Roland's Alpha Juno And MKS-50 Synths

A patch editor and librarian for Roland's Alpha Juno 1, Alpha Juno 2 and MKS-50 synthesisers.


Realtime editing of all parameters. Graphical representation of envelope settings. BSD licensed source code.


Click on a thumbnail to see a full size shot of each screen.

[ Main ] [ Device ] [ Oscillators ] [ Filters ] [ Envelope ] [ Amplifier ]

Source Code

GitHub Repository


On a Debian based distribution of Linux, ensure you have the following packages installed:

Once you have cloned the Git repository, simply type make to build. This will produce an executable called alphajuno.