I’m glad that Meta (Facebook) is still posting their resource of devices with iPhone, Desktop, and Android well represented. This service called Mock is v cool: https://www.mock.video/
Even better, this app for OS X seems magical: https://overframe.xyz/
A purchasable library over here: https://angle.sh/
A Web-based service that maps to different angles of use: https://mockuuups.studio/
