Regex Learn - This site makes it simple to learn, practice, test, and share RegEx. If you do any coding (or intermediate no-coding), regular expressions are super useful in search & replace operations.
DrawNames - Free website that lets you run Secret Santa groups, without spoilers for the organiser!
No-Code Tools for MVPs - A curated list of 300+ no-code tools to help you build your MVPs faster. I'm a big fan of building and iterating before sinking incredible amounts of $$$ into an idea.