Documentation

All About Berlin

Comprehensive guide to living in Berlin. Bureaucracy, housing, and practical advice.

The Textile Atlas

Directory of global textile traditions. Artisan techniques documented.

Ceramic Arts Network

Pottery and ceramics community. Techniques, glazes, and firing.

OSE Wiki

Documentation for open source machines. Build your own civilization starter kit.

Accessibility Developer Guide

Swiss foundation's comprehensive guide. WCAG implementation explained.

Sky & Telescope

Amateur astronomy magazine. News, observing guides, and equipment reviews.

Appropedia

Wiki for appropriate technology and sustainability. DIY solutions for the world.

GIJN

Global Investigative Journalism Network. Resources and training for journalists.

Food Timeline

History of food and cooking. When foods were invented and how.

Omniglot

Encyclopedia of writing systems and languages. Scripts, alphabets, and constructed languages.

Online Etymology Dictionary

Word origins and history. Trace English words to their roots.

Wiktionary

Collaborative dictionary with etymology. Covers every language.

Lexilogos

Multilingual dictionary portal. Keyboards, translators, and resources for hundreds of languages.

Privacy Guides

Community-driven privacy and security recommendations. Successor to PrivacyTools.

All3DP

3D printing magazine. Reviews, guides, and industry news.

RepRap

Self-replicating 3D printer project. The origin of desktop 3D printing.

r/3Dprinting Wiki

Community 3D printing knowledge base. Printer comparisons, troubleshooting, and beginner guides.

Lock Wiki

Encyclopedia of locks and lockpicking. Mechanism explanations and history.

ZineWiki

Wiki documenting zine culture. History, zinesters, and distros.

Webmention

W3C web standard for mentions. Cross-site comments without centralized platforms.

The Small Web

Resources for building a smaller web. Minimal sites, local-first software.

Gemini Protocol

Official Gemini documentation. The lightweight internet protocol specification.

FrathWiki

Constructed languages wiki. Documentation of conlangs and conworlds.

ServeTheHome

Server and workstation hardware reviews. Enterprise gear for homelabs.

Vinyl Engine

Turntable database and forums. Manuals, reviews, and setup guides.

Perfect Circuit - Signal

Synth news and educational content. Module guides and artist features.

Hardcore Gaming 101

In-depth retro game coverage. Series retrospectives and obscure game deep dives.

Racketboy

Retro gaming guides. Hidden gems, collecting advice, and system histories.

The Cutting Room Floor

Unused and cut video game content. Debug modes, regional differences, and hidden secrets.

Emulation General Wiki

Emulator recommendations and setup guides. Best emulators for every system.

NetHack Wiki

Comprehensive NetHack reference. Spoilers, strategies, and game mechanics.

Brogue Wiki

Community wiki for Brogue. Strategy guides, item details, and dungeon mechanics.

RogueBasin

Roguelike development wiki. Game design, programming tutorials, and genre history.

Deer Tier

Speedrunning resources and guides. Community wiki for various games.

World of Tea

Tea education and certification. Industry knowledge and professional development.

TeaDB

Pu-erh and Chinese tea resource. Reviews, vendor lists, and educational articles.

r/tea Wiki

Comprehensive tea guide. Types, brewing, vendors, and beginner recommendations.

r/cocktails Wiki

Community cocktail knowledge base. Beginner guides, essential bottles, and technique FAQ.

Difford's Guide

Cocktail recipe database. Thousands of drinks with ratings, variations, and technique guides.

Sourdough.co.uk

Vanessa Kimbell's sourdough resource. Science, recipes, and the sourdough library project.

Perfect Daily Grind

Coffee industry news and education. Origin stories, processing, and brewing guides.

SummitPost

Mountain encyclopedia and climbing routes. Peak info, trip reports, and photos.

Postholer

Long-distance trail planning. PCT, AT, CDT data, town guides, and resupply info.

The Virtual Cave

Educational cave photography and geology. Speleothem formations explained with images.

First Nature Fungi

UK and European mushroom guide. Species profiles with habitat and identification notes.

Eat The Weeds

Green Deane's wild plant foraging resource. Plant identification and edibility guides.

MushroomExpert.com

Michael Kuo's mushroom identification resource. Detailed species pages with microscopy and keys.

Audubon Bird Guide

National Audubon Society's species database. Range maps, photos, and conservation status.

Sibley Guides

David Sibley's bird identification resources. The gold standard in North American field guides.

Bird Watching Daily

Birding news and tips. Species profiles, gear reviews, and hotspot guides.

All About Birds

Cornell Lab's bird guide. Species accounts, sounds, and identification tips for North American birds.

The Wood Database

Encyclopedic wood species reference. Properties, workability, and identification for hundreds of species.

Japanese Knife Imports Blog

Jon Broida on Japanese knives. Sharpening, steel types, and kitchen knife knowledge.

Calibre 11

TAG Heuer and vintage chronograph specialists. Deep historical research and references.

Your Watch Hub

Watch encyclopedias and guides. Movement databases and brand histories.

Hodinkee

Watch journalism and collecting. In-depth articles on horology, reviews, and industry news.

Mountain of Ink

Comprehensive fountain pen ink reviews. Swatches, water tests, and comparisons across papers.

JetPens Blog

In-depth guides to Japanese stationery. Pen comparisons, ink swatches, and paper reviews.

QMK Firmware Docs

Documentation for QMK, the open source keyboard firmware. Features, customization, and flashing guides.

Deskthority

Mechanical keyboard wiki and forums. Deep encyclopedia of switches, vintage boards, and modifications.

Keyboard University

Comprehensive guide to mechanical keyboards. Switches, layouts, keycaps, and build guides for beginners.

Electronics Notes - Ham Radio

Encyclopedic amateur radio reference. Antennas, propagation, modes, and technical fundamentals.

Signal Identification Wiki

Database of radio signals. Identify unknown transmissions by their sound and waterfall pattern.

eHam.net

Ham radio encyclopedic resource. Equipment reviews, articles, swap shop, and active forums.

ARRL

American Radio Relay League. The national association for amateur radio in the US. News, licensing info, and technical resources.

Permacomputing

Wiki about sustainable computing. Principles for designing systems that last and minimize environmental impact.

Phrack Magazine

The legendary hacker ezine since 1985. Technical articles on security, exploitation, and hacker culture. Issue 72 in 2025.

tldr pages

Simplified man pages. Community-maintained examples for command-line tools that actually help.

command-not-found

Find the package that contains a command. Covers major Linux distributions and macOS.

Project Drawdown

World's leading resource for climate solutions. 100 solutions to reverse global warming.

tmp.0ut

ELF research group and zine. Deep technical content on binary hacking, virus writing, and Linux internals.

PoC||GTFO

Proof of Concept or GTFO. Hacker journal with deeply technical essays on reverse engineering and file formats. Often a valid PDF, ZIP, and bootable OS simultaneously.

Exploit Database

Archive of public exploits and vulnerable software. Essential resource for security researchers and penetration testers.

HackTricks

Massive wiki of hacking techniques for CTFs and pentesting. Privilege escalation, web attacks, and more.

Practical Typography

Matthew Butterick's guide to typography. Free online book covering everything from font choice to page layout.

commandlinefu

Repository of command-line snippets. User-submitted one-liners for common and obscure tasks.

Free Programming Books

Freely available programming books in many languages. 350K+ stars. The ultimate free learning resource.

DPReview

Digital photography reviews. In-depth camera and lens reviews with sample images.

Teach Yourself CS

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

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.

Wizard Zines

Julia Evans' illustrated zines on technical topics. Git, SQL, Linux, and more.

Use The Index, Luke

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

High Scalability

How real sites handle scale. Architecture case studies from tech companies.

Awesome Falsehood

Curated list of falsehoods programmers believe. Names, time, addresses, and more gotchas.

Refold

Immersion-based language learning roadmap. Learn languages the way children do.

The A11Y Project

Community-driven guide to web accessibility. Resources, checklist, and patterns for inclusive design.

WebAIM

Web accessibility resources. Articles, tools, and training for making the web work for everyone.

Obsidian

Knowledge base that works on local Markdown files. Powerful linking, graph view, and extensible plugins.

Stanford Encyclopedia of Philosophy

Authoritative, peer-reviewed philosophy reference. The definitive resource for philosophy.

Internet Encyclopedia of Philosophy

Peer-reviewed academic resource on philosophy. Accessible yet rigorous articles.

Bogleheads

Investment advice inspired by John Bogle. Forum for passive, low-cost investing.

Investopedia

Financial education and market data. Learn investing concepts and track markets.

Refactoring Guru

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

SourceMaking

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

The Twelve-Factor App

Methodology for building modern web apps. The definitive guide to SaaS development.

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.

Choose a License

Simple guide to open source licenses. Pick the right license for your project.

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.

All About Circuits

Free electrical engineering education. Textbooks, worksheets, calculators, and community forums.

Visual Design Rules

Collection of visual design rules you can safely follow. Practical tips for making things look better.

Examine

Unbiased nutrition and supplement information. Evidence-based health research.

Feynman Lectures

Richard Feynman's legendary physics lectures. Free online edition.

HyperPhysics

Encyclopedic physics reference. Concept maps connecting physics topics.

Organic Chemistry Portal

Organic chemistry resources. Reactions, mechanisms, and synthesis.

Library Genesis

Free access to books and papers. Shadow library for research and textbooks.

Old Farmer's Almanac Gardening

Planting calendar and gardening guides. Traditional wisdom for growers.

MathWorld

Comprehensive mathematics encyclopedia. Definitions, theorems, and explanations for every math concept.

OEIS

Online Encyclopedia of Integer Sequences. Look up any sequence of numbers and find its mathematical meaning.

explainshell

Paste a command line and get a breakdown of every argument. Essential for understanding complex shell commands.

Can I use

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

SQLite

The most deployed database in the world. Excellent documentation and fascinating technical articles about its design.

DevDocs

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

IndieWeb

Movement to own your own content and identity online. Resources for building your personal website.

Distill

Machine learning research journal with interactive visualizations. Making ML concepts understandable.

Surveillance Self-Defense

EFF's guide to protecting yourself from surveillance. Practical security for activists and everyone.

Privacy Guides

Community-driven resource for privacy and security tools. Transparent recommendations, no affiliate links.