What are some alternatives?
When comparing Adobe Animate and Pencil2D, you can also consider the following products
Synfig Studio - Just another WordPress site
OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
Adobe Fireworks - Adobe Fireworks is a bitmap and vector graphics editor.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Xara Designer Pro - Discover the only software you need for all your creative work: Powerful illustration and photo editing tools, flexible page layout and unrivalled WYSIWYG web design.