Each format has a different job.
Everything I publish revolves around the Decision Logs — real engineering decisions, with their trade-offs and consequences. The library surrounds them with four formats, each with a concrete function.
Fundamentals
How things actually work, without the hand-waving: protocols, encryption, networks, integration and banking, explained with rigor and maintained as a knowledge system. Start here if you're building your base.
Explore Fundamentals → Work in progressJournal
Recent notes from real work, unpolished: what happened, what I found, what decision changed and what general principle remains. Proof that this is being built right now.
Read the journal → Own resourcesTools
Calculators, checklists and downloads I build myself for designing and operating critical systems. No signup to use them.
Use the tools → Third-party softwareToolbox
Other people's software I use to diagnose, operate and build real systems — with an explicit inclusion criterion, not a generic list.
Open the toolbox →Decision Logs
The editorial core. No tutorials: real decisions, real trade-offs, real consequences.
Newsletter — Signal, not noise
One thesis per issue, every two weeks. The most direct way to follow all of the above.