The daily map of underserved builder problems — sourced from real conversations, scored by blue-ocean opportunity, refreshed every morning.
“I'm looking to connect with fellow Substack writers and readers who are interested in exchanging ideas, supporting each other's work, collaborating on projects, and growing together as a community.”
Too early to trendEvery gap is sourced from a real builder post, GitHub issue, or product review — never invented. Click any source chip to verify.
Our 5-signal model (Pain · Demand · Supply · Trigger · Pay) is open. See exactly why each gap ranked where it did.
Surface opportunities before mainstream coverage arrives. Build on the trend, not after.
We track 1,589 builder conversations a day across Reddit, Hacker News, GitHub, Product Hunt, Bluesky, and indie founder discords.
Each gap is graded on 5 signals — pain, demand, supply, trigger, willingness to pay — and ranked by build likelihood.
Fresh gaps daily in your inbox at 6am UTC. Full library, filters, and your saved gaps live on your dashboard.