Jollyshot - Ephemeral image hosting
Uppy - The next open source file uploader for web browsers
Presr - An intelligent image compression and image hosting app
Filestack - Simple file uploader and robust APIs for uploading, transforming, and delivering any file into your app. Filestack is a collection of tools and powerful APIs that make it simple to upload, transform, and deliver content.
Image Host Company - ImbBB but with your own Google Drive to get source links for all your media (images, gifs, sounds, videos...).
Uploadcare - File uploading, media processing & content delivery for modern web apps