What are some alternatives?
When comparing Retrowave Illustration Pack and ITG.digital, you can also consider the following products
Stubborn Illustrations - 30 little exciting stories from the startup world
Evie by unDraw - MIT licensed illustrations for your next project
Stories by Freepik - Awesome illustrations for your next project
Awesome Illustrations - Create awesome illustrations for websites & applications
Illustration Tools - Directory of tools and resources for illustrators
Vector Illustration Creator - Create free personalized illustrations from 3000+ elements