The 1.1 version of LineVideoFX for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Audio & Video Tools, more precisely Editors & Converters. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this free software for Mac is JS8 Media Inc.
From the developer:
LineVideoFX allows you to instantly apply fun line-finding effects to your videos. You simply choose from a range of colors, adjust a few slider controls to tweak the exact look you want, and you have a highly-artistic line art video. The changes are instantly visible as you adjust the controls.
You may want to check out more software for Mac, such as 4Media Video Converter Standard, ImTOO DVD Ripper Platinum or Trapcode Sound Keys, which might be similar to LineVideoFX.