Case study about how Denis Kazakov built Learn Azure, an educational app that helps learners become Microsoft Azure Certified Professionals, generating an average of $10K/month and $120K/year, showcasing tech stack with Microsoft technologies and growth strategy through strategic promotion resulting in significant increase in downloads.

Bannerbear is an API tool revolutionizing marketing automation, founded by Jon Yongfook Cockle, generating an impressive $600K/year and offering pricing plans from $49 to $299, with a growth strategy focusing on community engagement and customer recommendations.

Computer science graduate Marc Lou founded ShipFast, a platform that reduced time spent on launching startups by providing a boilerplate, resulting in $6,000 in revenue within 48 hours and a successful Product Hunt launch with 3,000 visitors in the same period.

Case study about pgMustard, an online tool for developers helping troubleshoot PostgreSQL queries, growing steadily with $30k ARR, highlighting the importance of fixing pricing strategies and the impact of COVID on revenue streams.