Blog

Devlogs, guides, and essays from building OffMain. Written between commits.

Aug 22, 2026//devlog

OffMain by the numbers: 63 days, one person

Nine weeks of building OffMain, counted from git: 1,175 commits, 199 written decisions, 2,357 tests. Plus the prompt that counted them, so you can run it on your own project.

6 min read

Jul 12, 2026{}engineering

What OffMain knows about you

What OffMain stores, where it lives, and why the mechanism needs so little. The privacy policy in human language, website analytics included.

5 min read

Jul 12, 2026{}engineering

Why OffMain asks for a system extension

The macOS prompt looks scary. Here is exactly what the content filter sees, what it cannot see, and how to turn it off.

4 min read