PUBLIC MARKS with tags tool & debug

Chrome devtools extension for debugging Vue.js applications.

Regex101.com is a free of charge service where you can create, test and have your regular expressions explained. Thanks to the permalink feature, it is a great reference which may even be used in code where you need to explain your regular expressions to co-workers.

Socketbug is a Remote Debugging Utility built using Socket.IO, which allows to use modern browsers to remotely debug mobile Web applications.

Graphic stand-alone administration for memcached to monitor and debug purpose

Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information). Seems to be little more usable than wireshark!

"Jet Profiler for MySQL is real-time query performance and diagnostics tool for the MySQL database server". I love the Query ratings feature and the live query observation - should replace the weak use of MySQL proxy.

Safari's inspector has been redesigned a few months ago, but I didn't notice this. It looks pretty and rather efficient, I am gonna give it a try on our next project.

Welcome to Opera Dragonfly alpha, the foundations of Opera's upcoming Developer Tools. Debug JavaScript, inspect CSS and the DOM, and view any errors – Opera Dragonfly makes developing using Opera easier than ever, both on your computer and mobile phone.