rubular - A ruby based regular expression editor
Invision - Prototyping and collaboration for design teams
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
RegEx Generator - RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.
Craftwork - A collection of User Interface resources made by Craftwork