MarsX, a low-code development platform with micro-apps that saves founders 90% of the time and provides flexibility on demand, has over 261 projects on the platform and has attracted hundreds of users through word of mouth.

Solo founder Todd Hooper bootstrapped Prerender.io from zero to $2.5 million in ARR over 5 years by releasing an open-source project on Github and turning it into an SEO-friendly version of React, Angular, and Javascript websites, and then offering it as a SaaS service for businesses.