Fathom Analytics - Simple, trustworthy website analytics (finally)
rubular - A ruby based regular expression editor
Simple Analytics - The privacy-first Google Analytics alternative located in Europe.
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
Plausible.io - Plausible Analytics is a simple, open-source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics. Made and hosted in the EU, powered by European-owned cloud infrastructure 🇪🇺
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.