[Etheryte]

On their homepage, they have their own logo in the section listing companies that use their products. I mean, if you dogfood it, great, but it doesn't exactly instill confidence if you have to reach for your own company to fill out the list.

[Centigonal]

We use PostHog for site analytics - it's a good product. IDK about popularity, but it's a joy to use.

[hnthrow90348765]

They have customer testimonials here which have more companies than the front page: https://posthog.com/customers