galaxies-dev
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Simon Grimm
Simon Grimm is a German developer educator and solo founder who has spent over a decade teaching web developers to build mobile apps. Best known for Galaxies.dev and his earlier Devdactic blog, he was voted the #1 React Native video creator by the community. Beyond tutorials, he's building Tiny Harvest - a cozy idle farm RPG - entirely by himself. He went fully self-employed in 2017 and hasn't looked back.
Simon Hoiberg
Simon Hoiberg is a Danish serial entrepreneur, software engineer, and content creator based in Zurich, Switzerland. He left a $300K/year freelancing career to bootstrap a portfolio of SaaS products - including FeedHive (AI social media scheduling), Aidbase (AI customer support), LinkDrip (link attribution), TinyKiwi, and SignupGate - achieving $1M+ combined ARR. He grew his Twitter/X following to 200K+ organically and teaches React Native development through Galaxies.dev, reaching 100,000+ developers. Known for radical transparency about both wins and failures, Simon openly documents his entire entrepreneurial journey.