Open Source Development for the MMTTY, MMVARI, and MMSSTV Digital Mode Applications



MMTTY, MMSSTV, and MMVARI were originally developed by Mako, JE3HHT. MMTTY supports RTTY, MMSSTV supports SSTV, and MMVARI supports RTTY, PSK, and MFSK. As of August 1, 2013, all three applications are released to open source development under the LGPL license.


The GNU Lesser General Public License (LGPL)is a free software license published by the Free Software Foundation. The LGPL

MM-Open Governance Model


Defect Reports and Enhancement Requests

Defect reports and enhancement requests should be posted to the appropriate discussion group: