Download of DittoAV 1.1 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 application lies within Audio & Video Tools, more precisely Editors & Converters. We recommend checking the downloaded files with any free antivirus. This Mac app is a product of Overhyped Tech., LLC.
From the developer:
DittoAV is a full-featured text editing application, complete with spell checking and rich text capabilities, with an integrated media playback system. The media integration allows a user to watch and listen to a variety of Quicktime-compatible media while typing. Ditto enables users to quickly pause and play linked media, as well as control the playback speed.
You may want to check out more software for Mac, such as MFilter, Aiseesoft WMV Converter for Mac or AkBrowser, which might be related to DittoAV.