Introduction

Shopify created over 20 free tools. HubSpot analyzed 4 million sites and generated millions of leads that converted to paid users. MOS opened OpenSight Explorer, which helps research backlinks. ClearBit watched our free tool to get verifiable email addresses. It got to 30,000 users in two months,. Now, it says a total of 300,000. The fifth one he mentions is Docker. So they built lots of different open source tools, so build kit, data kit, different kit, and more. And this specifically to help developers write better code.