Google Drive
google.com/drive/
Box @ UIC
accc.uic.edu/service/box
Github
github.com/
Bitbucket
bitbucket.org/
Apple iOS
developer.apple.com/design/
Android
material.io/design/platform-guidance/cross-platform-adaptation.html#cross-platform-guidelines (Cross platform Considerations)
App Icon Template
PSD file helping export App Icon sizes
Lynda.com Training Tutorials UIC
accc.uic.edu/service/professional-development-training
Code with Chris
codewithchris.com/how-to-make-an-iphone-app
YouTube
youtube.com/
Icons & Vector
thenounproject.com/ (Free use with attribution)
Photography
pixabay.com/ (Has also some vector imagery)
Mockup Tool
https://smartmockups.com/