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How-to guides, tooling tips and real-world advice for developers and product managers tired of broken software. Let’s fix this mess together.

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How-to guides, tooling tips and real-world advice for developers and product managers tired of broken software. Let’s fix this mess together.

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Tradeoffs chart for changeability, cost, and reliability

What is legacy software in the age of AI?

Software becomes legacy by succeeding long enough to accumulate the weight of every decision and shortcut made along the way. Users feel it as friction. Engineers feel their momentum slip. The business watches costs climb. AI changes two of those. The third may be getting worse.

Todd Kaufman

Legacy modernization

Three people emerge from darkness toward light and a neon green path

In the age of AI we’re in this together

River Lynn Bailey

River Lynn Bailey

Cognitive hazard study diagram showing a laptop, coffee mug, and documentation sinking into a tarpit

Organizational observability: The AI alignment problem starts upstream

Dave Mosher

$Puzzled math meme with a rubber duck wearing a fedora and trench coat$

The shockingly simple math for why we need test automation

Gabriel Côté-Carrier

Gabriel Côté-Carrier

Double Takes

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Double Takes

TDDing with Claude is like having a pair that removes all the failing assertions every time you go to the bathroom.

Steve Jackson

State machines are the answer for those seeking determinism in the era of AI agents.

Dave Mosher

A Slack conversation left Doc reflecting on what bug bashes say about the systems we work in.

Doc Norton

Test-driven development is to programming what double-entry bookkeeping is to accounting.

Neal Lindsay

The fundamental character flaw of the software creator is not the misguided belief that they can solve any problem with software. Instead, it is the belief they can understand how their own software works before they create it.

Steve Jackson

We may need a SaaS appendix for Zawinski's law:

Any SaaS platform attempts to expand until it is a social network.

Matt Jones

How to turn lagging statistics into leading indicators

Explore the process of transforming lagging statistics into leading indicators for better decision-making and business growth. Learn practical steps for tech leaders.

Justin Searls

Maximize software investment

professional-growth

consulting

kpi

Avoid these two mistakes when recruiting for Product

Struggling to find top product talent? Learn why product leaders need to be directly involved and how to build a diverse talent pipeline.

Shawn Leitner

Recruiting & careers

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Intent isn't enough: the impact of language in tech

What good is my intent if the words I'm using are causing real harm to people?

River Lynn Bailey

River Lynn Bailey

Equity, Diversity & Inclusion

communication

community

How to protect against AWS S3 misconfiguration breaches

Dive into our simple guide to safeguard your AWS S3 buckets from common security oversights and keep your data secure!

Keith McCanless

Keith McCanless

DevOps & security

regulatory-compliance

security

aws

cloud

infrastructure

Author photo

Shape Up: Mastering pitch writing for 6-week project cycles

Discover how to effectively write pitches in Shape Up, prioritize problems, and complete scoped projects in just 6 weeks. These techniques will help you reduce churn and achieve success in every cycle.

Dayton Nolan

Communication & teams

agile

consulting

teams

testing

Activism for developers: Tools and tips for real change

Learn how developers can drive impactful change with limited time and resources. Explore tools and strategies to support nonprofit organizations and make a difference.

Josh Klina

Equity, Diversity & Inclusion

professional-growth

How to offer emotional support, not emotional labor, in times of crisis

In times of crisis, intentionally listening to those who are affected is a simple act of kindness and care. Unfortunately, it also has the potential to be fraught with problems.

River Lynn Bailey

River Lynn Bailey

Equity, Diversity & Inclusion

communication

community

Setting up a new Mac for development

Setting up a new Mac for development

Holding onto an ancient macOS install because you're afraid of the hassle of setting everything up again? This video walks you through setting up a Mac from scratch, complete with lots of thoughtful configuration and developer automation.

Justin Searls

Software tooling & tips

productivity

You're N.E.A.T.!

Technology is a means to an end: answers to very human questions. We want to connect with other folks who share that belief.

Ways to connect

Test Double Executive Leadership Team

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