Thanks for the feedback. Videora is Windows-only at this point, so it's covered in our
Windows version of the article.
I'm not sure if there's been a recent port of Videora to the Mac (there wasn't when this article was written), but the reality is that iSquint would likely be a much better solution anyway (leaving aside the Mac/PC aspects, I much prefer iSquint to Videora). I'm not sure if you made it to page two of the article, but iSquint (and other similar options) are discussed there.
Back before Handbrake had an Intel-native version that supported 640x480, my original workflow was to use MacTheRipper to extract the VOB files and then feed them into iSquint. Now, since I have an Elgato turbo.264, I'm still using MacTheRipper and instead feeding them into the Elgato software, since it operates significantly faster than Handbrake.
In the absence of a hardware-assisted device like the turbo.264, however, I'd recommend Handbrake as the preferred solution for ripping DVDs. The only reason I
don't use it is the lack of turbo.264 support at this point.