Slickr - Powerful cover image generator for your Hashnode blog
Social Templates Bundle for Instagram - Large bundle of 240 posts & stories templates for Instagram
Canva Pro - Millions of design assets, templates and images all in one
Figen - Free post cover & background generator tool
SocialSizes - Sketch templates for sharing images & videos on social media
Online Video Templates by Pixiko - Discover stunning free video templates, pick and edit