Mailboat (later rebranded Userping) was a bootstrapped email-sending side project built on AWS SES. The solo founder stopped working on it after 1.5 months and sold it pre-revenue for $4,000 in a direct deal in 2023.
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