TeXShop is a free LaTeX and TeX editor and previewer for macOS. It is licensed under the GNU GPL.

Provides extensive info on images and vector graphic files.

Hype Professional is the most advanced app for creating stunning animated and interactive web content.

Powerful image-editing application.

Generator for parametric graphic patterns and illustrations.

The open source system for processing and editing 3D triangular meshes. 

Easy image converter.

Drawing app, capabilities similar to Illustrator/Freehand/CorelDraw.

Onscreen graphic measurement tools.

PhotoBulk is an image editor which will dramatically simplify batch image editing: batch rename images on Mac, optimize photo, compress image file, add watermark.

Home interior design made easy.

Download Instagram photos, accounts, hashtags and locations.

Image browsing/slideshow application.

Create stunning images and logos with effects.

Professional-level image effects processor.