accessiBe - Making websites accessible to people with disabilities
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.