Pretty Awesome Lists - Over 25,000 developer tools in one place 🔥
Toole - Search for and discover online tools
Rage Grade by FullStory - Benchmark your customer frustration
UXsniff - Track user behavior on your website and improve conversions with UXsniff: the user experience watchdog that looks out for you.
DevDojo - Dev tools and resources for building awesome stuff
SessionStack - Record and replay web app issues. See them the way they happened to end users.