Physical-mail B2B outreach tool: start from a LinkedIn profile, find address data, AI-draft the letter, send the mail, track delivery and trigger a digital follow-up. Reached ~$120k ARR within weeks with customers such as HubSpot; sold by solo founder Faiz Imran via Acquire.com after only a few months of operating.
A/B testing tool for YouTube thumbnails that helps creators find which image drives more clicks, built before YouTube shipped the feature natively.
Tailwind CSS-based blogging platform that turns Notion docs into a public blog.
Airtable-powered websites and portals without code