Robolly - Auto‑personalize your open graph, social posts & more
Sharingbuttons.io - Quickly generate social sharing buttons with a tiny performance footprint.
Placid - Use Placid to auto-generate images, videos & PDFs from reusable templates
Simple Sharing Buttons Generator - Share to Facebook, Twitter, Google+, and other social networks using simple HTML buttons
OGimage.gallery - Carefully collected OG images gallery
Social Share Kit - Library of CSS/JavaScript social sharing tools