Pencil2D Alternatives for Mac OS X

Karbon is a free and open-source vector graphics editor, part of the Calligra Suite. It enables artists and designers to create scalable vector artwork, illustrations, and graphics, supporting various features like layers, vector tracing, and export options.

OpenToonz is a powerful, open-source 2D animation software widely used in professional studio production and by independent artists alike. It offers a comprehensive suite of tools for vector and raster drawing, frame-by-frame animation, bone rigging, complex effects, and scanned drawing cleanup.

Tupi is a free and open-source 2D animation software designed with beginners and enthusiasts in mind. It provides a user-friendly environment for creating traditional frame-by-frame animations and offers vector-based drawing tools.

Torapp Guilloche Designer is a powerful web-based vector graphic editor specifically tailored for creating intricate guilloche patterns used in security printing and decorative designs. It combines standard vector editing tools with specialized functions for generating complex geometric patterns.