Joost van der Waal

Joost van der Waal

joost@vdwaal.nl

Software Engineer

Some info about Joost van der Waal

The 'Open Shell, Closed Core' Monetization Strategy

April 10, 2026 Development

The 'Open Shell, Closed Core' Monetization Strategy

How we balance open-source ideals with commercial viability in a BYOC product.

Joost van der Waal

Joost van der Waal Software Engineer

open-source business indie-hackers

Who We Are and Why We Build This Way

April 1, 2026 General

Who We Are and Why We Build This Way

Our frustrations with existing email infrastructure, and why we favor serverless, data sovereignty, and minimalism.

Joost van der Waal

Joost van der Waal Software Engineer

manifesto serverless founder-story