Headers.me - Create social cover images that get you followers
Bannerbear - Auto-generate IG Stories, Pinterest Pins and more
Figen - Free post cover & background generator tool
APITemplate.io - APITemplate.io allows you to auto-generate social images and PDF documents with a simple API or automation tools like Zapier & Airtable. No CSS/HTML required.
Featured Image Creator - Stunning social sharing images for blog posts in seconds
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.