Google Ventures On How Sketching Can Unlock Big Ideas
Innovate Cards (great thought starters – used in session)
Artefact Behavior Change Strategy Cards (more thought starters)
Non-Obvious Trends by Rohit Bhargava (even more great thought starters)
Design Lingo
https://designschool.canva.com/blog/graphic-design-terms/
Fonts
fonts.google.com
Freebies
https://creativemarket.com/free-goods
Design Inspiration
designerslist.info
designspiration.net
Web Inspiration
awwwards.com
thefwa.com
behance.com
Mockups
pixeden.com (some free stuff in here too!)