2025 in bookmarks

Here are the links I found most interesting over the past year.

Be sure to check the Fun section.

Happy New Year 2026!

Teams & Leadership

• Scaling Engineering Teams: Lessons from Google, Facebook, and Netflix
• “Good engineering management” is a fad
• How to build a golden path
• Expert Generalists
• Ship / Show / Ask
• The Worst Programmer I Know
• Radiate intent
• How I’ve run major projects
• Engineering Leadership newsletter

Code, Design & Systems

• NASA has a list of 10 rules for software development
• A Practical Guide to Application Metrics: Where to Put Your Instrumentation
• Your job is to deliver code you have proven to work
• SMURF: Beyond the Test Pyramid
• Basics of the Unix Philosophy
• Everything I know about good API design
• Why Local-First Apps Haven’t Become Popular?
• Say no to abstract code
• Double-Entry Ledgers: The Missing Primitive in Modern Software
• Ledger Implementation in PostgreSQL
• Performance Tips for Postgres FDW
• Life Altering Postgresql Patterns
• How Core Git Developers Configure Git
• Why some of us like “interdiff” code review
• The Ultimate Guide to Error Handling in Python
• Welcome to Comprehensive Rust
• Two Years of Rust
• 14 Advanced Python Features
• THE WEIRD CONCEPT OF ’BRANCHLESS PROGRAMMING’
• On Troubleshooting
• Scripts I wrote that I use all the time
• The Great SSL Certificate Panic

AI-Assisted Development

• AI-assisted coding for teams that can’t get away with vibes
• Vibe Coding is not an excuse for low-quality work
• Coding with LLMs in the summer of 2025 (an update)
• Working Effectively with AI Coding Tools like Claude Code
• AGENT.md
• I Managed a Swarm of 20 AI Agents for a Week and Built a Product. Here Are the 8 Rules I Learned.
• Field Notes From Shipping Real Code With Claude

Cool projects

• Backup for lazy smart engineers
• vet is a command-line tool that acts as a safety net for the risky curl | bash
• Operating System in 1,000 Lines
• Worktrunk - CLI for git worktree management, designed for running AI agents in parallel
• witr (why-is-this-running)
• ttyd - Share your terminal over the web
• lstr - A fast, minimalist directory tree viewer, written in Rust

Fun

• There are over a hundred HTML elements. This page uses all of them.
• Map of GitHub
• Artisanal Handcrafted Git Repositories
• World History Atlas
• Electricity Maps
• Collection of insane and fun facts about SQLite
• Draw a fish
• Historical Tech Tree
• Everyone knows your location: tracking myself down through in-app ads
• Email is Easy
• Internet Artifacts
• Which repo would you like to understand?
• Carnage3d
• Anycrap
• Stations and transfers
• Hyperwood
• C’est qui qui a fuité aujourd’hui ?
• Space elevator
• rm -rf remains
• GlobalBuildingAtlas
• Size of life

Writing

• How to Write Blog Posts that Developers Read
• The Day You Became A Better Writer
• Write like you talk
• Writing advice
• Write that blog!

Inspiration

• You Are Not Late
• The Age Of Abundance
• The Best Programmers I Know
• The leverage paradox
• But what if I really want a faster horse?
• Being good isn’t enough
• The Last Programmers
• Impact, agency, and taste
• The Creator Advantage
• Pay yourself first
• Why is quality so rare?
• Getting better at software engineering
• Your data model is your destiny
• Karpathy is wrong. Write that post, build that slide deck!
• High Agency In 30 Minutes
• What They Don’t Tell You About Maintaining an Open Source Project
• Becoming a Research Engineer at a Big LLM Lab – 18 Months of Strategic Job Hunting
• Career Moats 101
• Pattern Matching 20 Habits of Exceptional Startups
• The Micro SaaS Revolution: From Giants to Solopreneurs