What are some alternatives?
When comparing Aphalina Designer and ProtoSketch, you can also consider the following products
Vectr - Free vector graphics editor. A simple yet powerful web and desktop cross-platform tool for everyone.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Grid System Library - Free set of grids for iOS, Android and Bootstrap.
Affinity Designer - Professional creative software, exclusively for Mac.
Boxy SVG - Boxy SVG is a vector graphic editor built for the modern web.
CorelDRAW Graphics Suite - Empower your creativity with CorelDRAW Graphics Suite 2018, packed with powerful features and updates to transform creative ideas into visually stunning designs! Learn more or download a free trial today!