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VOL. XV Builder. Investor. Web obsessive. WIJCHEN, NL

Joost de Valk

Internet entrepreneur from the Netherlands. Founder of Yoast — the WordPress SEO plugin. These days I invest in and build digital companies through Emilia Capital, and I'm working on Progress Planner and Rondo.

This blog is where I think out loud about the open web, content management, AI's effect on publishing, and the craft of shipping software that people actually use.

Joost de Valk
fig. 1 — the author, Aquilea, 2026
№ 78 FEATURED ARTICLE 2026·04·24 · 29 min

The agency case for open source

Open source spent thirty years winning an argument about cost. AI is about to make that argument irrelevant. Whether open source can win the argument that replaces it (about agency) is an open question. The point of this post is to be honest about why.

Open Source · AI

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