Unicorn Platform
unicornplatform.com
Simple website, blog and directory builder for busy founders. 10,000+ directories have been built on it.
diff ~/p/john-rush ~/p/marc-kohlbrugge
Products, revenue & stack compared side by side.
Serial maker behind BetaList, WIP and Startup Jobs, shipping online for 20+ years
Both John Rush and Marc Köhlbrugge are bootstrapped, build in public, have sold at least one product and are serial makers. They overlap in SaaS Founders, Directory Makers and AI Builders. John Rush has 23 products listed on IndieMakerList vs Marc Köhlbrugge's 14. John has sold 1 product and Marc 3. John self-reports $3M/yr (as of 2025); Marc hasn't shared a revenue figure publicly. On X, John has about 118K followers and Marc about 89K.
Revenue figures are self-reported by each maker and not audited; dates and scope differ. Highlighted categories are shared by both.
unicornplatform.com
Simple website, blog and directory builder for busy founders. 10,000+ directories have been built on it.
seobotai.com
Fully autonomous SEO robot with AI agents that researches keywords and writes, publishes and interlinks blog articles.
listingbott.com
Lists your product on hundreds of relevant directories in one click to earn backlinks and domain rating.
devhunt.org
The launchpad for developer tools — 1,000+ dev tools launched and 200,000+ developers visiting.
betalist.com
Startup discovery platform where early-stage startups get their first users and early adopters find new products.
wip.co
Social network and accountability community for makers who log daily progress and ship together.
startup.jobs
Job board for startup jobs.
roomai.com
Generates interior design ideas for your rooms with AI.
No tools in common in their publicly listed stacks. See the indie maker tech stack.
John Rush self-reports $3M/yr (as of 2025). Marc Köhlbrugge's revenue is not public, so a direct comparison isn't possible.
John Rush has 23 products listed (including Unicorn Platform, SEObot and ListingBott); Marc Köhlbrugge has 14 products listed (including BetaList, WIP and Startup Jobs).
John Rush uses Unicorn Platform, Next.js, MarsX and AI agents. Marc Köhlbrugge uses Ruby on Rails, Hotwire, Tailwind CSS, PostgreSQL, Kamal and DigitalOcean. They don't list any tools in common.
John Rush: not listed. Marc Köhlbrugge: Portugal.
John Rush's start year isn't listed; Marc Köhlbrugge started in 2010 (16 years indie).
Yes, both are listed as bootstrapped founders on IndieMakerList.
Read the full story, timeline and links on John Rush's profile and Marc Köhlbrugge's profile.