PICMO is described as 'painting & animation software. It was developed so that anybody can draw and create animation with ease, and have fun drawing and creating'. There are more than 25 alternatives to PICMO for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and Android. The best alternative is Inkscape, which is both free and Open Source. Other great apps like PICMO are Adobe Illustrator (Paid), Dia (Free, Open Source), Sketch (Paid) and Vectr (Free).
Design quickly and confidently with Adobe Illustrator software. Sophisticated tools for drawing and typography, along with advanced color controls and creative effects, provide a comprehensive vector graphics environment.
Vectr is a free graphics editor. Vectr is collaborative like Google Docs, and runs both in your web browser and on your desktop as a native app. With an intuitive interface, Vectr is easy to learn and use.
Synfig is a free and open-source, industrial-strength, vector-based 2D animation app designed for producing feature-film animations. It eliminates the need to create animations frame by frame. It is available for Windows, Linux, and macOS.
Pencil2D is an opensource animation/drawing software for Mac OS X, Windows, and Linux, based on old Pencil software. It lets you create traditional hand-drawn animation (cartoon) using both bitmap and vector graphics.
Karbon, component of Calligra Suite , is the scalable vector drawing application in KDE. It allows artists to create complex drawings without losing image quality when zooming in on, or resizing the drawing.