Design Principles - An open source repository of design principles and methods
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
Colorbox.io - Create accessible color systems 🎨
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Lottie by Airbnb - Easily add high-quality animation to any native app
Scribus - Scribus is a desktop publishing (DTP) application.