BrandBird - Brand your Twitter content uniquely
OpenCV - OpenCV is the world's biggest computer vision library
Supercat.app - Turn your Product Hunt comments into beautiful images
Cloudinary - Cloudinary is a cloud-based service for hosting videos and images designed specifically with the needs of web and mobile developers in mind.
tweet.pics - Add a unique brand to your images to make them really pop on Twitter.
imgix - Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.