I added a few to your Sheet. Would also point you in the direction of this which is pretty good https://rocketlabs.co/submit-your-startup/. Source: about 2 years ago

I think the point of real-time analytics is not to make product decisions but to get a sense of presence from your product and celebrate with your team. As an engineer on many teams shipping features I've found that it's somehow underwhelming to finally launch something after months of work. You launch and the only thing you get to celebrate is some donuts in the office and if something goes wrong a notification... - Source: Hacker News / 11 months ago

Example: https://usefathom.com/ and june.so. Source: about 1 year ago

Two and a half years ago my co-founder and I left our jobs on the product team at Intercom to try and build a startup. We went through YC and launched an analytics tool on top of Segment that allowed you to generate some pre-made reports for common product metrics (https://news.ycombinator.com/item?id=26155327 [1] https://www.fool.com/investing/2019/04/29/slack-relies-heavily-on-its-biggest-customers.aspx. - Source: Hacker News / about 1 year ago

We heard that hundreds of times since we started june.so. Source: over 1 year ago

I'm a former PM who struggled way too much with this topic and recently launched an analytics platform called https://june.so. Source: about 2 years ago