https://alternativeto.net/
Suppose you’re using a website, platform or application; but it does something different from how you want it. Or maybe, there’s a service you’re considering to subscribe to but you cannot afford it.
AlternativeTo is an awesome project that lets you find alternatives to any software! They’re such a good sport that you can even search for alternatives to AlternativeTo.
Anyone can contribute to AlternativeTo! AlternativeTo is popular with open source, and Privacy-related projects.