About Articles Newsletter Projects Contact Failures Now Ideas Reading Resources Uses

Index

01AboutWho I am and what I do
02NowWhat I'm focused on right now
03ArticlesLong-form writing
04NewsletterThe monthly letter
05ProjectsEverything I've built
06IdeasStartup ideas and observations
07FailuresLessons learned the hard way
08ReadingBook notes
09ResourcesBooks, tools, templates
10UsesSoftware and hardware
11ContactGet in touch
12SearchSearch the notebook

The card catalogue

Search

Every article, letter, idea, failure, and book note — one box.

Search

Build. Fail. Write it down.

Subscribe to the monthly letter

Email address

You're on the list

Noted — you'll get the first letter as soon as it launches.

Index

About
Now
Articles
Newsletter
Projects
Ideas
Failures
Reading
Resources
Uses
Contact
Search

Elsewhere

X / Twitter
LinkedIn
GitHub
Email
RSS

© 2026 Sunil Kumar. Published insights, not private thoughts.

Set in Space Grotesk & Geist