Free Video Dub is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is Shotcut, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Free Video Dub and 15 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Free Video Dub are DaVinci Resolve (Freemium), Avidemux (Free, Open Source), Olive Video Editor (Free, Open Source) and VidCutter (Free, Open Source).
Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks. It supports many file types, including AVI, DVD compatible MPEG files, MP4 and ASF, using a variety of codecs. Tasks can be automated using projects, job queue and powerful scripting.
Movavi Video Editor has all the tools to help you get creative. Make use of built-in filters, effects, title templates, stickers, music, and sounds to create your own video story. Then save the results in any format or upload directly to YouTube.
Xilisoft Video Converter is easy, fast, reliable, and loaded with features. Its capable of converting videos of all popular formats like AVI, MPEG, WMV, DivX, MP4, H.264/AVC, AVCHD, MKV, RM, MOV, XviD, 3GP, and audio MP3, WMA, WAV, RA, M4A, AAC, AC3, OGG.