The 8-Figure Open Source SaaS Playbook

He built a free tool as a lead magnet. Then customers started calling his cell phone, begging to pay for it. Ev Kontsevoy turned an open source SaaS side project into Teleport, now an 8-figure ARR business with 500+ customers. Founders will hear how a free GitHub project became an open source SaaS business worth eight figures - and why selling to the wrong buyer persona nearly capped growth. Ev reveals how he spotted the signal that his side project was more valuable than his flagship product, why shifting from engineers to VP buyers nearly tripled average deal size, and how open source monetization built trust closed-source competitors could never match. Teleport started as one component of Gravity, which was doing $4M ARR. COVID killed Gravity's pipeline while accelerating Teleport demand. The company now serves 500+ customers in 8-figure ARR, with AI agent identity emerging as a major growth driver. This episode is brought to you by: 🌎 ThreatLocker → Book a demo 🔍 Respona → Get featured in AI answers on ChatGPT and Google AI Overviews 🔑 Key Lessons 🛠️ Your open source SaaS lead magnet might be your real product: Teleport was built as free demand generation for Gravity, but customers wanted to pay for it instead - listen when the market tells you where the value is. 🎯 Ask customers to sell your product back to you: Ev discovered most customers used a tiny fraction of Teleport by asking them to describe it, revealing a buyer persona mismatch that was capping growth. 🤝 Match your sales motion to your buyer's expectations: Shifting from engineers to VPs of platform engineering nearly tripled average deal size because the new buyer expected a sales-led conversation. 🔄 Focus is not a pivot - it is subtraction: Ev stopped four of five things Gravitational was doing and concentrated entirely on Teleport, which was already generating equal revenue with fewer engineers. 💰 Price with confidence even when improvising: The first Teleport enterprise deal closed at $25,000/year because Ev said "thousand" instead of "hundred" on a cold call - then built the enterprise product around real customer requests. 🚀 Open source SaaS builds trust faster for security products: Public code audits and community reviews gave Teleport credibility closed-source competitors could not match - a natural open source lead generation advantage. 🧠 Find startup ideas in the support queue: Ev found both Mailgun and Gravitational by listening to customer problems at his day job. This open source business model started from real pain, not brainstorming. Chapters What Teleport does and the infrastructure identity problem Founding Mailgun and the Rackspace acquisition How Teleport started as a free open source SaaS component COVID kills Gravity pipeline and accelerates Teleport demand The first enterprise deal - improvised on a cold call Why open source SaaS builds trust for security products Discovering they were selling to the wrong buyer persona Shifting from engineers to VPs - 3x average deal size AI as COVID 2.0 - identity for AI agents Lightning round Resources Full show notes: Join 5,000+ SaaS founders:

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The 8-Figure Open Source SaaS Playbook is an episode from The SaaS Podcast - SaaS, Startups, Growth Hacking & Entrepreneurship by Omer Khan.

This episode is 69:12 long.

This episode was published on Apr 28, 2026.

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