Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.
Flickr - image and video hosting website
LiveCode Platform - It is Both Under the GPL and it is also Proprietary if using the GPL version the software you make...
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Redis - Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
Google Photos - All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.