Generally I look for intuitive products. Giststack does exactly that; I have about 30+ newsletter subscriptions that I (wish) could repurpose selectively. Giststack now gives me the freedom to do so without having to go through a series of complicated manual processes. And, not to mention it also reduces the clutter as I use the intelligence of the system to only see the best out of all those emails. The founder is known in the community and responsive. This has become a part of my workflow since it allows me to save my time nearly every day. Besides, openai, it also integrates with Straico, which gives us a significant boost in cost reduction. Image generation works well with fal, ideogram and others. Besides, newsletter, it also helps you build x.com or threads.net threads formats. Which is really helpful. The best one for me though is sending data via webhooks to multiple destinations, that opens up so many opportunities in automation. Review collected by and hosted on G2.com.
I do not see a direct downside. The product is still fairly new. The only thing I can think of is the flow of UX and better UI/Options for custom prompt guidance. That part can be improved but it is not a deal breaker. Review collected by and hosted on G2.com.