The 38.0.2125.104 version of 15Filter 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 is categorized as Design & Photo Tools. This free Mac application is an intellectual property of marcoboelling. We recommend checking the downloaded files with any free antivirus.
From the developer:
15Filter is an image manipulation application that lets you apply different filters to an image. The program allows you to combine different filters in order to enhance your images. There is no need for advanced graphic skills, as the application provides you with the right tools to create quality images easily.
You may want to check out more software for Mac, such as QuickShow OSX, Stone Studio or PhotoDesireeExpress, which might be related to 15Filter.