Semaphore Uncut

Jonathan Reimer on Open Source, Startups, and AI


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In this episode of Semaphore Uncut, Jonathan Reimer—founder of Crowd.dev and now VP of Outbound Products at the Linux Foundation—breaks down what he’s learned from years inside the open source startup ecosystem.This conversation covers:

* How Crowd.dev grew into a core insights platform for OSS communities and was later acquired by the Linux Foundation

* The three types of open source companies Jonathan identified after speaking with 400–500 founders

* Why GitHub stars are vanity metrics—and which signal actually reflects real adoption

* When open source provides a real go-to-market edge, and when it doesn’t

* How AI is already influencing OSS development, from automated bug fixes to running LLMs locally

* Why open source models may ultimately dominate the model layer as costs fall

A sharp, fast overview of the forces shaping developer tools, open source ecosystems, and AI infrastructure today.

👉 Read the full blog post for the complete conversation — and happy listening!



This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit semaphoreio.substack.com
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Semaphore UncutBy Semaphore

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