Facebook Creative Hub - A new way to create & preview mockups for ads with Facebook
SocialSizes - Sketch templates for sharing images & videos on social media
Enhance - Find, crop, edit, & share pics to social. Made by Hootsuite.
Online Video Templates by Pixiko - Discover stunning free video templates, pick and edit
Typorama - Typorama: Text on Photo Editor is a Typography Art and Poster Maker application created and published by Apperto Ltd.
Instagram Story Templates by Kapwing - Create simple, beautiful Instagram Stories from templates