Websites where you can buy design resources and digital assets with discounted prices by getting a bundle or promotional pack.
https://www.designcuts.com/ https://www.mightydeals.com/ https://www.inkydeals.com/ https://dealjumbo.com/ https://masterbundles.com/ https://bundlehunt.com/ http://www.mydesigndeals.com/ https://www.epicpxls.com/
Tools you can use to share design assets with developers and they can inspect it to start coding.
https://design.google/ https://facebook.design/ https://airbnb.design/ https://www.uber.design/ https://www.ibm.com/design/ https://www.microsoft.com/design/ https://developer.apple.com/videos/design/
https://www.invisionapp.com/blog https://webflow.com/blog https://www.ustwo.com/blog/ https://tubikstudio.com/blog/ https://www.toptal.com/blog https://www.appcues.com/category/ux-design https://www.designsystems.com/
Websites to help you build a portfolio or just explore your skills.
http://www.coverr.co/ https://www.motionplaces.com/ http://mazwai.com/ https://videos.pexels.com/ http://www.videomonkey.co/ https://www.videvo.net/ https://pixabay.com/videos/ https://www.freestockimages.ru/free-stock-videos https://mixkit.co/