Programming

LinuxCommand.org

Learn the Linux command line. Classic, comprehensive tutorial on shell scripting and Unix command-line tools.

Ratfactor

Programming essays and projects. Zig language explorer.

Serge Zaitsev

Minimal software development. Tiny tools, JSMN JSON parser, and web experiments.

Susam Pal

Minimalist tech blog. Lisp, mathematics, and computing fundamentals.

Underlap

Glyn Normington on Java, Go, and software craft. Thoughtful technical writing.

Matthias Endler

Rust developer and podcaster. "Hello, Rust!" YouTube series creator.

alexwlchan

Software developer writing about Python, accessibility, and digital preservation.

Terence Eden

Tech policy, accessibility, and standards. Former UK government digital advisor.

Robb Knight

Web developer and podcaster. Projects, links, and indie web enthusiasm.

Juha-Matti Santala

Developer advocate writing about community, coding, and board games.

Dave Rupert

Web developer and podcaster. ShopTalk Show co-host. Accessibility and web standards.

Adactio

Jeremy Keith on web standards, progressive enhancement, and the open web. Web craftsman.

Simpler Machines

Nat Bennett on software engineering craft. Thoughtful takes on building software well.

Jeremy Morrell

Software engineering and career development. Practical advice for developers.

Michael Tsai

Daily Apple news and commentary. Curated links with thoughtful analysis since 2002.

Ned Batchelder

Python coverage.py maintainer. Decades of Python wisdom and community insight.

Nathaniel J. Smith

Creator of Trio (async Python). Deep dives into concurrency and Python internals.

Brandon Rhodes

Python astronomer. PyEphem author. Talks and writing on Python and astronomy.

Brandur Leach

Engineering at Stripe on APIs, Postgres, and building reliable systems. Beautiful site design.

Jacob Kaplan-Moss

Django co-creator on leadership, management, and software. Practical wisdom for tech careers.

Engineering Blogs

Aggregator of engineering blogs from tech companies and individuals. RSS feed of quality tech writing.

Scott O'Hara

Accessibility specialist's blog. ARIA, forms, and inclusive design.

Adrian Roselli

Accessibility consultant's blog. Detailed component accessibility analysis.

Inclusive Components

Heydon Pickering on accessible UI patterns. Deep dives into components.

axe Accessibility

Accessibility testing tools. Browser extensions and developer APIs.

Uxn

Hundred Rabbits' portable virtual machine. Computing on minimal resources.

in4k

Wiki about 4 kilobyte intros. Techniques for creating impressive demos in impossibly small sizes.

Tom MacWright

Thoughtful essays on software, maps, and technology. Creator of several popular open source projects.

Justine Tunney

Systems programmer behind Redbean, Cosmopolitan Libc. Deep technical writing on performance, compilers, and making software portable.

Simon Willison

Co-creator of Django, prolific blogger on AI, databases, and web development. Builds excellent open source tools like Datasette.

Michael Lynch

Detailed writing on bootstrapping indie businesses, including TinyPilot. Transparent revenue reports and lessons learned.

Tim Bray - ongoing

Co-inventor of XML, former Amazon VP. Thoughtful writing on technology, photography, and industry observations.

Awesome Python

Curated list of Python frameworks, libraries, and resources. From web frameworks to machine learning.

Kalzumeus

Patrick McKenzie on software business, salary negotiation, and Japan. Influential essays on tech careers.

Joel on Software

Joel Spolsky's classic blog on software development. Founded Stack Overflow and Trello.

null program

Chris Wellons on C, Emacs, and systems programming. Deep technical posts with working code.

Coding Horror

Jeff Atwood's programming blog. Co-founder of Stack Overflow and Discourse.

antirez

Salvatore Sanfilippo, creator of Redis. Technical writing on programming, data structures, and open source.

Brendan Gregg

Performance engineer, author of 'Systems Performance'. Industry expert on observability, tracing, and eBPF.

Andreas Kling

Creator of SerenityOS and Ladybird browser. Building an operating system and browser from scratch as a learning project.

Awesome Go

Curated list of Go packages and resources. 160K+ stars. The essential Go ecosystem guide.

Awesome Rust

Curated list of Rust code and resources. Crates, tools, and learning materials for Rustaceans.

Awesome JavaScript

Collection of JavaScript libraries, resources, and tools. From frameworks to testing utilities.

Awesome C++

Curated list of C++ frameworks, libraries, and resources. Systems programming essentials.

Awesome React

Collection of React ecosystem resources. Components, tools, and learning materials.

Awesome Vue

Curated list of Vue.js resources. Components, libraries, and tools for Vue developers.

Scattered Thoughts

Jamie Brandon on programming languages, databases, and software design.

Crontab Guru

The quick and simple editor for cron schedule expressions.

Epoch Converter

Convert Unix timestamps to human-readable dates and back.

Base64 Decode

Encode and decode Base64 strings. Simple developer utility.

URL Encoder

Encode and decode URLs. Handle special characters in web addresses.

ngrok

Expose local servers to the internet. Essential for webhook development and demos.

httpbin

HTTP request and response testing service. Debug your HTTP clients.

JSONPlaceholder

Free fake API for testing and prototyping. No signup required.

gitignore.io

Generate .gitignore files for your projects. Supports hundreds of languages and tools.

Ibrahim Diallo

Web developer blogging about technology and work. Known for 'The Machine Fired Me' viral post.

t0st

Performance analysis and reverse engineering. Famous for cutting GTA Online loading times by 70%.

freeCodeCamp

Learn to code for free. Full curriculum from HTML to machine learning.

The Odin Project

Free full-stack web development curriculum. Project-based learning path.

Full Stack Open

Deep dive into modern web development. University of Helsinki's free course.

Teach Yourself CS

Curated guide to self-teaching computer science. Best resources for each topic.

The Missing Semester

MIT course on practical computing skills. Shell, Git, debugging, and more.

Crafting Interpreters

Free book on implementing programming languages. Build two interpreters from scratch.

Eloquent JavaScript

Free book on JavaScript and programming. A modern introduction with exercises.

Go by Example

Hands-on introduction to Go. Annotated example programs.

Destroy All Software

Gary Bernhardt's screencasts on software. Advanced topics explained well.

RegexOne

Interactive regex tutorial. Learn regular expressions step by step.

SQLZoo

Interactive SQL tutorial. Practice queries on real databases.

PostgreSQL Tutorial

Comprehensive PostgreSQL guide. From basics to advanced topics.

Use The Index, Luke

SQL indexing and tuning guide. Make your database queries fast.

Big List of Naughty Strings

List of strings likely to cause issues when used as user input. Essential for testing.

Paul Graham

Essays on startups, programming, and life from the co-founder of Y Combinator. Influential and often contrarian.

Refactoring Guru

Design patterns and refactoring techniques. Illustrated examples in multiple languages.

SourceMaking

Design patterns, antipatterns, and refactoring. Software design knowledge base.

Martin Fowler

Software architecture and design. Essays from a thought leader in software.

Semantic Versioning

Version numbering specification. The standard for software versioning.

Conventional Commits

Specification for commit messages. Standardize your git history.

Keep a Changelog

How to write a good changelog. Don't let your friends dump git logs.

Git Immersion

Guided tour of Git fundamentals. Hands-on learning from basics to advanced.

Oh Shit, Git!

Git problems and how to fix them. For when you mess up.

Pro Git

The official Git book. Free, comprehensive, and authoritative.

Jim Nielsen's Blog

Thoughtful writing on web design, development, and the craft of making things for the internet.

Naked HTML Quine

A page that is its own source code. Brutalist, self-documenting HTML that displays itself.

Chris Zacharias

Former YouTube engineer. Famous post about the conspiracy to kill IE6 from inside YouTube.

Interconnected

Matt Webb's blog on technology, design, and ideas. Exploring the edges of what's possible.

Rachel by the Bay

War stories from the trenches of software engineering. Tales of debugging, systems, and corporate dysfunction.

Drew DeVault's Blog

Strong opinions on free software, programming languages, and building a better internet. Creator of SourceHut.

Free Formatter

Essential developer tools: JSON/XML formatters, encoders, validators, and converters. Bookmarkable.

Carbon

Create beautiful images of your source code. Perfect for sharing snippets on social media or presentations.

Dan Luu

In-depth technical writing on computer science, hardware, and software engineering. Known for rigorous analysis and data-driven posts.

JSON Crack

Visualize JSON data as interactive graphs. Makes complex nested structures actually understandable.

regex101

The best regex tester and debugger. Explains each part of your pattern and tests against multiple flavors.

Learn X in Y Minutes

Quick reference guides for programming languages. Learn the syntax of a new language in one page.

Roadmap.sh

Community-driven roadmaps for developers. Visual guides for learning frontend, backend, DevOps, and more.

Lobsters

A computing-focused community with a tree-based comment system. Invite-only, high signal-to-noise ratio.

Can I use

Browser support tables for web technologies. Check if that CSS feature works in your target browsers.

DevDocs

API documentation browser with offline support. Search across hundreds of frameworks in one place.

The Algorithms

Open source collection of algorithms implemented in multiple programming languages. Great for learning.

Hacker News

The original tech news aggregator. Simple design, active community, sometimes contentious but often insightful.