Crello is a free graphic design editor that helps create images for social media, print and other web based graphics. It contains 30 different formats and 10,000 free and ready-to-use templates for creating graphics.
principles.design is an open source resource created to help you understand and create Design Principles.
noShit is a list of top quality free design resources for your next project. All the resources listed on the website are free for commercial use.
Freebiesbug is a space where web developers and designers can find some free resources for their work. You can browse through a variety of high-quality fonts, PSDs, coding plugins and templates, and much more.