The Third Bit

Start where you are, use what you have, help who you can.

In Brief

Ph.D. in Computer Science
Co-founder of Software Carpentry, The Architecture of Open Source Applications, and It Will Never Work in Theory
ACM SIGSOFT Influential Educator of the Year
Co-winner, Jolt Award, Best General Book
Member, Python Software Foundation
Author or editor of over a dozen books on programming and two for children


Current and Recent Projects

Research Software Engineering in Python

Research Software Engineering in Python cover

A textbook for a semester-long course on building research software and running research software projects.

Teaching Tech Together

Teaching Tech Together cover

A book about teaching programming for people with technical backgrounds but no formal training as educators.

It Will Never Work in Theory

It Will Never Work in Theory logo

Brief reviews of empirical research results in software engineering and computing education of particular relevance to practitioners.

Software Tools in JavaScript

Software Tools in JavaScript cover

Teaches software design by re-implementing common software engineering tools in Node.js; currently in beta.

Building Software Together

Building Software Together cover

A student's guide to team software projects that covers everything from using Git to running meetings; currently in beta.

JavaScript for Data Science

JavaScript for Data Science cover

An introduction to JavaScript for both client-side and server-side programming for data scientists who have never used it before.

The Carpentries

Carpentries logo

A non-profit organization dedicated to teaching basic software and data skills to researchers world-wide. I co-founded its predecessor, Software Carpentry, and was its first Executive Director.

Software Carpentry logo

The Architecture of Open Source Applications

Architecure of Open Source Applications cover

Essays describing the architectures of fifty open source projects of various sizes, many written by those projects' creators.



TidyBlocks screenshot

A blocks-based tool for teaching basic data science built in JavaScript using Google's Blockly toolkit.

In the wake of posts about Shopify's support for white nationalists and DataCamp's attempts to cover up sexual harassment
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