InstaText is an AI-based online writing assistant that helps non-native speakers improve their English, with over half a million active users from 150 countries worldwide, bootstrapped from $0 to $50k monthly revenue in two years and quadrupled their sales in 2021, becoming Slovenian Startup of the Year and expanding to web applications and browser extensions.

How this founder started a $100K/month guaranteed transcription service for medical, legal, law enforcement, financial, academic and general business industries, winning the NASPO ValuePoint transcription services contract over 26 other companies and learning valuable lessons about getting a coach and getting as much PR as possible.

Citationsy is an online referencing generator launched in 2017 that grew from nothing to over 200,000 users as of February 2020, all through word-of-mouth and SEO, and is making a profit every month without spending any money on marketing or Google ads with a customer acquisition cost that is essentially zero.

Meister Labs, creators of MindMeister and MeisterTask, have close to $10 million ARR with their Freemium subscription business model, providing software tools for small to medium-sized businesses from all verticals and private users as well, which include 11 million MindMeister and 3 million MeisterTask users.