Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
rubular - A ruby based regular expression editor
lstore.graphic - Mockup Scene Creator
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
Flatlogic - Business Software: AI-Driven Solutions at Speed.
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.