6
case studies
How founders built what they built, every fact with its source.
BAREMETRICS · JOSH PIGFORDA Stripe dashboard built in about eight days, run in public, and sold for US$4,000,000
TINYPILOT · MICHAEL LYNCHA Raspberry Pi blog post that became a US$1 million-a-year hardware company, sold for US$598,000
FEEDBACKPANDA · ARVID KAHLA weekend tool for one teacher, sold two years later at US$55,000 a month
TYPINGMIND · TONY DINHA weekend project that made US$22,000 in its first week and now makes more than US$1 million a year
CHANGELOGFY · PAULO CASTELLANOA side project from 2018 that has earned US$157,000, and the day the free plan ended
PHOTO AI · PIETER LEVELSFrom a curiosity about AI to US$105,000 a month, in one PHP file