Author

Daniel Saewitz

@saewitz.com

who: software engineer, indie bootstrapper, concert-goer what: building a web framework, popflash, relisten, & tapped in where: brooklyn when: sometime shortly after the big bang why: https://saewitz.com

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Daniel SaewitzFeb 24, 2026

Tests Are The New Moat

As AI becomes better at cloning people's open source work, what ends up becoming most valuable are software contracts, tests, and API surface area. This clashes the incentives of clearly defining your commercialized open source software with protecting it.

technical

Daniel SaewitzFeb 16, 2026

Turning Your Robot Vacuum Into a Mesh VPN

I bought a robot vacuum and went down a path of understanding how wi-fi enabled devices can cross a line of security and privacy. In doing so, I figured out how we can keep our devices secure and isolated to our own private networks while still being able to operate them from anywhere in the world.

universaltechnical

Daniel SaewitzJul 22, 2025

Coding Is Changed Forever

agentic coding

universaltechnical

Daniel SaewitzMay 6, 2025

Code Lifecycles

code should die

technicalreact

Daniel SaewitzApr 30, 2025

Server Components Give You Optionality

not a prescription

technicalreact

Daniel SaewitzMar 8, 2025

Abusing RSC's Cache For Blog Footnotes

stable pointers

technicalreact

Daniel SaewitzJan 22, 2025

Lessons on Creative Work

learned or validated

universal

Daniel SaewitzDec 4, 2024

The Mental Model of Server Components

hydration and composition

technicalreact

Daniel SaewitzOct 23, 2024

This Just Might Work

external energy

universal