More About Me
- My /now page shows what I am doing.
- Résumé/CV shows what I have been doing.
- Work with me on your projects!

Writing
- Introduction to my most important articles.
- Wiki with important concepts.
- All About TextKit: I deal with text, and here's a collection of everything I figured out so far.
- Ultimate FastSpring Guide for Selling macOS Apps: I sell my macOS apps in my own store. Resources and tips to get you started.
Latest Blog Posts
You Don’t Need to Remember Anything Meets LLM Fans
The Scam Called “You Don't Have to Remember Anything” – That post from Zettelkasten.de blew up on Hacker News yesterday to my surprise. We will discuss this in a couple of days and let the dust settle.
Clickable Swift Testing Failure Messages in Emacs compile-mode
The swift test command-line invokation does not print unambiguous filenames for test failures, so we need to attempt to patch this from the console output ourselves like true hackers.
Infinite Canvas – iOS and macOS Whiteboarding and Sketching App, Now Available
Announcing my latest app, Infinite Canvas, an app for quick sketches, handwritten notes, with a canvas as wide and deep as your imagination. Available for all platforms as a free download.
Emacs Elevator Pitch (August Blog Carnival)
This month’s entry for the Emacs Carnival is how I'd talk someone into using Emacs at the workplace I do not have.
Adapt Unidirectional Flow Virtues to Your Plain SwiftUI App
To get started, you can require authentication for actions on buttons anywhere in your SwiftUI app produce a change up the scene, e.g. a log-in overlay or dialog, by injecting a closure into the environment to handle that.
SwiftUI DocumentGroups Are Terribly Limited
Document-based apps with SwiftUI are easy to write, but hard to customize apart from a couple visual tweaks. Say if you want to introduce in-app purchases.
My latest app project is ready for testing: a delightfully simple drawing app for all Apple platforms.
More blog posts in the archive