Bookmarks
A running list of tech-related things I've come across and found worth keeping.
Personal Websites & Blogs
- Julia Evans' personal blog , essays on operating systems, Linux, networking, and more
- Lee Robinson's personal website , previously DevRel at Vercel, now at Cursor
- Nicholas Chen , a neat-looking personal website that inspired the design of this website
- Thorsten Ball's blog , author of Golang books, previously worked at Sourcegraph and Zed (the IDE I am using right now)
- Engineer Girlfriend , Liz built Minihog, a mobile version of PostHog, and some other cute apps
- Hosted Nowhere , an entire website encoded in a URL. Hosted nowhere. Present everywhere.
- Boris Tane's blog , who used to lead the Workers observability team at Cloudflare.
Product & Startups
- The Product-Market Fit Game , by James Hawkins, PostHog co-founder
- PostHog's Guide to Vibe Design , tips for creating good designs without a dedicated designer
- trustmrr , a public database by Marc Lou to verify solo dev startup revenue
- Post-Bridge Organic Growth Guide , how to get 30k app downloads in 30 days using only organic TikTok and Instagram content
- What we wish we knew about building AI agents , learnings from building out PostHog AI
Infrastructure & Operating Systems
- Julia Evans' Wizard Zines , digestible comics about Linux and networking concepts
- Julia Evans' Experiments , interactive sandboxes for DNS, nginx, and other tools
- SadServers , leetcode-style challenges for hands-on Linux troubleshooting
- GNS3 , network simulation software for learning protocols hands-on
- Geeksforgeeks, Memory Layouts of C Programs , clear breakdown of stack, heap, BSS, and text segments
- Boot.dev , free, gamified platform focused on backend development
- CodeCrafters HTTP Server , build an HTTP server from scratch
Community
- The Recurse Center , self-directed programming retreat in NYC or remote
- taro , career advice from senior engineers, great for getting promoted
- Open Source Guide , covers licensing, contributing, and maintaining projects
- Good First Issue , curated beginner-friendly issues from popular open source repos
- Webring (Wikipedia) , the original decentralized social network of the early web
Technical Writing & Books
- The Way of Code , essays on software craftsmanship
- Cognitive load is what matters , since we spend far more time reading and understanding code than writing it, we should constantly ask ourselves whether we are embedding excessive cognitive load into our code.
- 6 Techniques for Great Shell Script UX , small tricks that make shell scripts noticeably more polished
- Unix Shell Script Tactics , best practices style guide for shell scripting
- High Memory Usage in Postgres Is Good, Actually , if the dashboard shows a high “% memory used,” do not panic.
- Zero-Downtime Deployments , sample from the book "Zero To Production In Rust"
- CPU Utilization Is a Lie , why CPU % is a misleading metric and what to use instead
- The Design & Implementation of Sprites , how Fly.io built sprites.dev, their code sandbox product launched in 2026
- Containers vs Zones vs Jails vs VMs , a 2017 write-up of a topic that is very trending in Q1 2026
- We Were Wrong About GPUs , a progress report: GPUs aren’t going anywhere, but: GPUs aren’t going anywhere.
- What Is Kubernetes? , a clear timeline and explainer of what led to Kubernetes
- Solving 1 Billion Rows in Go , optimizing a Go solution to the 1 Billion Row Challenge using pprof
- Profiling Go with pprof , a guide to profiling Go programs
- MicroVMs in 2026 , a comprehensive overview of the microVM landscape in Q1 2026
- Do You Even Need a Database? , a database is just files.
- How we made Ramp Sheets self-maintaining , Ramp's write-up on how they connected Datadog monitors to AI agents
- Why We Built Our Own Background Agent , Ramp's write-up on how they build Ramp Inspect, their internal AI agent
- The End of Push-Wait-Guess CI , Depot's take on smarter, faster CI pipelines
- Async vs Sync in Between , Anthony Fu on bridging async and sync code in JavaScript
- JPEG compression , Sophie Wang's visual explanation of JPEG compression
- The Twelve-Factor App , methodology for any developer building software-as-a-service
- Logging Sucks , why traditional logging fails and how wide events can fix your observability
- On-Call Is Now Theatre , what software on-call looks like in the age of agents
- Building Ask DoorDash, Part 4 , how they built Ask Doordash
- Loops You Can Trust , Lauren (@poteto on Twitter) on how to use agentic loops
- Git at Any Scale , viral article by the Cursor team on how git works and how it led to Origin
- Learn Inference , inference is everything that happens after you train your model
- How I Got Computer-Use Clicks to under 10ms on Modal , building the fastest computer-use framework using Modal primitives
- You Should Never Be Angry at Work , what anger at work means and what it does to an organization
Developer Tools & Software
- LocalStack , run AWS services entirely on your local machine
- Gitpod , cloud dev environments that spin up in seconds
- Seline , privacy-first, lightweight website analytics
- Jam.dev , one-click bug reports with automatic console and network logs
- ProtonMail , privacy-first email, VPN, drive, and calendar suite
- Daytona , code sandboxes for enterprise scale
- sprites.dev , super cheap code sandboxes, by Fly.io
- exe.dev , code sandboxes again, why not ?
- just-bash , Vercel's sandboxed bash interpreter for AI agents
- Smol Machines , code sandboxes again !
- peon-ping , give your Claude Code a voice!
- Zed , snappy code editor, built in Rust
- Remotion + Claude Code , use Claude Code to create videos programmatically
- Littlebird.ai , personal assistant that learns from your screen and meetings
- Google Stitch , design at the speed of AI
- Voxtral TTS by Mistral , Mistral's new hyper-realistic text-to-speech model
- Lucia Auth , open source authentication library for JS and TypeScript
- Chrome Task Manager , per-tab CPU and memory usage, built right into your browser
- Asahi Linux , Linux ported to Apple Silicon Macs
- git-spice , stacked branches and PRs for git
- Tangled , the next-generation social coding platform
- Resolve.ai , AI that handles alerts, performs root cause analysis, and troubleshoots incidents within minutes
- microsandbox , easy, fast, local-first microVM runtime and library
- Ghostty , fast terminal emulator
- spacefs , open and edit terabytes of files locally, while using zero disk space
- Sessy , open-source, self-hosted email observability for AWS SES
- browse.sh , open catalog of reusable SKILL.md recipes that teach AI agents to complete tasks online
- Polylane , agents that read your code, watch your infra, and fix production before you wake up
Job Search & Interview Prep
- Deep-ML , leetcode-style challenges for machine learning
- Competitive Programmer's Handbook , free PDF covering algorithms for competitive programming
- Microsoft Engineering Fundamentals Playbook , exhaustive guidelines for industry-standard software projects
- HackerOne Bug Bounty Programs , open bug bounty programs across hundreds of companies
- LeetCode, 15 Patterns , illustrated guide to the most common Leetcode problem patterns
- onsites.fyi , detailed FAANG interview reports, more candid than Glassdoor
- Sourcegraph's Notion website , public info on company culture, hiring criteria, and interview advice
- LeetDesign , leetcode for system design, structured and practical
- Alphabet150 , the Google-focused equivalent of the Neetcode 150
- LeetCode Resources Cheatsheet , official Leetcode reference sheet for interviews
- LeetCode, Patterns Deep Dive , extended Leetcode cheatsheet with pattern deep dives
- Visualgo , animated visualizations of data structures and algorithms
- startups.gallery , 900+ curated early-stage companies, updated daily
- PostHog Cool Tech Jobs , curated list of jobs at startups like Supabase, ElevenLabs, Railway
- Hacker News Jobs , job postings from YC-backed startups and tech companies
- Fredrika, Interviewing , how I got offers from OpenAI, Cursor, ElevenLabs, Vercel, etc.
- Maximizing Success in Engineering Interviews , a guide for maximizing your chances of success in an upcoming software engineering interview
Web Development
- Great Frontend , real-world frontend projects to build and showcase
- SQL Murder Mystery , learn SQL by solving an interactive murder mystery
- Neobrutalism Components , retro-styled UI components, adaptable for React Native
- React Native Paper , high-quality cross-platform mobile UI components
- Wappalyzer , browser extension that reveals any website's tech stack
- Expressive Code , beautiful syntax-highlighted code blocks for your website