A trend I've noticed is stuff that I have released in an app directory or app store does better in terms of organic growth than just putting up a website. This is particularly true for directories which are designed for specific platform. I guess this improves discoverability. Here are some sites where I've listed software which has organically grown without any real marketing:
Some others I haven't tried:
What are some other places where people search for apps? I'm specifically looking for directories for existing platforms rather than SaaS listings like Betalist or Product Hunt.
I guess G Suite Marketplace would be one. https://gsuite.google.com/marketplace