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Notes on local-first software, CRDTs, reactive programming, and the engineering behind CoCube.
What is a CRDT? Replicated Data Types Explained
2026-04-07
A CRDT lets multiple users edit the same data simultaneously without a central server. Conflict-free replicated data types always converge to one result.
Personal Knowledge Management: A Practical Guide
2026-04-06
Personal knowledge management is the practice of capturing, organizing, and retrieving what you learn. This guide covers how to build a system that works.
Building a Visual Programming Language
2024-06-01
I spent 20 hours debugging Emacs in one week and decided to build something new. CoCube is a visual programming language that anyone can extend and own.
Reactive Programming and the Spreadsheet
2024-05-01
Spreadsheet formulas are reactive programming in disguise. CoCube extends that model beyond the grid, replacing rows and columns with a tree of visual nodes.
Composable Software: Why I'm Building CoCube
2024-07-01
Composable software lets you build, modify, and combine tools that fit how you work. Here's why I'm building CoCube around this idea and who it's for.
Local-First Software: What It Is and Why It Matters
2026-04-11
Local-first software keeps your data on your own device instead of a remote server. Here is what it means, how it works, and why the idea is catching on.
What Is a Second Brain?
A second brain is a personal system for capturing and retrieving what you learn. Here is what it means, how to build one, and how to pick an app you own.
The Best Obsidian Alternatives in 2026
Looking for an Obsidian alternative in 2026? Here are six local-first and open-source note apps compared honestly, with the strengths and gaps of each.
The Best Open-Source Notion Alternatives in 2026
Looking for an open-source Notion alternative in 2026? Here are six self-hosted and local-first options, compared honestly with specific failure modes.