Download of V1MML 1.0.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software relates to Audio & Video Tools. The actual developer of this free Mac application is Akira Suzuki. We recommend checking the downloaded files with any free antivirus.
From the developer:
V1MML is an MML player with a keyboard display. MML is the abbreviation of Music Macro Language. MML describes information necessary for scores and offers performances in plain text. V1MML obeys the description method of FlMML adopted by the NicoNico-encyclopaedia.
You may want to check out more Mac applications, such as Mandala Virtual Brain, Nodal CAD Software or S90 ES Tools, which might be similar to V1MML.