SaaS for the most successful writers on Substack & the #1 Substack Directory that helps readers, brands, and writers discover top-performing newsletters.

Real-time job leads for home service contractors. Monitors neighborhood platforms, AI-classifies posts by trade, and alerts subscribers via iOS/Android app and SMS. Contractors get high intent leads. $79-$500/month flat subscriptions, 22 paying customers, $5K MRR. Customer acquisition via outbound sales, 75% gross margins. React Native app, FastAPI backend, Stripe billing. Fully built and running.

AI-powered English practice with native accents and real-time feedback.