Replay - One-Click Video Editor for iOS
Shorten.REST - A URL shortener API you can depend on
Rebrandly - Rebrandly is the easiest way to create, share and manage branded links.
Zero Width Shortener - Shorten URLs with zero-width characters
Expose - A beautiful, open-source, tunneling service - written in PHP
Pixela - Record and Track your habits or effort. All by API.