RoRvsWild - All-in-one monitoring for Ruby on Rails applications. Track performances & errors for requests & background jobs.

Sim Daltonism - From the perspective of a color blind person, some colors are impossible to distinguish.

Framer - 🔥 Design real websites right on the canvas.

Coblis - If you are not suffering from a color vision deficiency it is very hard to imagine how it looks...

Nibbler - Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.

Colorblind Web Page Filter - Enter a URL, and this tool will render it as someone with color blindness will see it.