Creative Market

→ has great community-generated design assets
→ gives users (with an account) free monthly assets to download—fonts, vectors, photoshop files, vectors, procreate files, etc

Design Buddies

→ has a great design community and miscellaneous on Discord
→ gives a lot of opportunities to network—job postings, discussions, design challenges, etc

Freepik

→ an asset library with great number of free graphic design resources—vectors, photos, images, icons, videos, photoshop files

Muzli Inspiration

→ a Google Chrome Browser extension with curated design projects, stories and all sorts of inspiration
→ a leading hub for creatives to keep us in the loop—creative blogs and news, Behance and Dribble picks, trending designs, etc

Pexels

→ has great royalty-free stock photos & videos

Pixabay

→ another option for great royalty-free graphic sources (similar to Freepik)
→ differs from Pexels and Freepik in terms of having illustrations, vectors, music, SFX, and GIFS

The Noun Project

→ has a great library of free high-quality icons and stock photos