Writing

From the work.

What the work teaches, written down plainly by the people who do it.

EST. 2012 · 53.7°N -7.8°W · IRELAND · EU

After launch

How much does it cost to maintain an app?

Brian Egan, Founder and CEO · Technical review by Barry Gough, CTO · 28 July 2026

App maintenance is not a fixed percentage. See the engineering effort a product needs after launch, why the first months cost more, and what support should cover.

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Essay

You spent three years on the science. Now it has to be a product.

Brian Egan, Founder and CEO · 28 July 2026

The research works. Building the product software around it is a different discipline. Purpledecks founder Brian Egan on crossing that gap without losing what makes your core special.

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Defect taxonomy

What we find when we open other people's code.

Barry Gough, Chief Technology Officer · 7 July 2026

A senior software firm's defect taxonomy from fourteen years of code audits and due diligence. AI generated code, and how to tell if code is AI generated.

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