Apps similar to Primitive include Altered Qualia, which is free and open source. Other options are Geometrize, Primitive for macOS, Genetic Art and Shapeme. In total there are five apps like Primitive for Mac, Linux, the web, self-hosting and Windows.
Altered Qualia Evolve takes an input image and reproduces it using shapes of various colors and transparencies. It uses a simulated annealing-like optimization algorithm based on the great work of Roger Alsing.
United Kingdom
Based on the author's open-source Primitive project, Primitive for macOS adds a super intuitive interface to make it dead easy to process images, recreating them with primitive shapes like triangles, rectangles and bezier curves.
United States
Genetic Art takes an input image and reproduces it with primitive shapes, either lines, triangles, circles or squares. It's available online or as a self-hosted HTML/JavaScript web app.
Italy
EU
