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