*ご利用の前に各サービスのライセンスや利用規約をご確認ください。
App Store Screenshots
https://launchkit.io/screenshots
https://itunes.apple.com/app/screenshot-app-beautiful-app/id907369748
App Store Previews
Mockups
http://dunnnk.com/
http://magicmockups.com/
http://picapp.net/
Icons
http://icons8.com/
https://github.com/PrideChung/FontAwesomeKit
https://itunes.apple.com/app/icon-set-creator/id939343785
Images
https://unsplash.com/
http://magdeleine.co/
http://foodiesfeed.com/
http://www.designerspics.com/
http://nos.twnsnd.co/
http://jeshoots.com/
http://cupcake.nilssonlee.se/
http://www.lifeofpix.com/
http://kaboompics.com/
http://dummyimage.com/
UI Design Patterns
http://www.pttrns.com/
http://beta.pttrns.com/
http://ios-patterns.com/
http://www.appdesignserved.co/
http://inspired-ui.com/
http://uxarchive.com/
http://www.lovelyui.com/
http://inspirationmobile.tumblr.com/
http://www.mobile-patterns.com/
http://www.mobilemozaic.com/
http://www.iospirations.com/
http://capptivate.co/
https://www.cocoacontrols.com/