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 program lies within Design & Photo Tools, more precisely Viewers & Editors.
From the developer:
Slide Freebie Features: Drag And Drop of Source Folder Reverse Auto Advance Loop Image Effects! File Conversion File Renaming File Trashing Neat Graphics Ease Of Use Cheap
You may want to check out more Mac applications, such as Volume Slider, WOW Slider or Brightness Slider, which might be similar to Slide Freebie.
Mind mapping
3D Design