Links I find interesting.
A collection of fascinating corners of the internet — from live satellite imagery to historical maps to virtual museum tours.
Earth & Weather
Zoom Earth
Watch the world via live satellite imagery
Flightradar24
See every plane currently in the sky
MarineTraffic
Track all ships at sea in real time
Windy
Live map of winds and storms
LightningMaps
Watch lightning strikes hitting Earth in real time
USGS Earthquake Hazards Program
Live list of recent earthquakes
Submarine Cable Map
Ocean cables carrying the internet
Global Nature Watch
Watch forests and natural ecosystems change from space
Maps & Exploration
The True Size Of
Compare the true sizes of countries
Old Maps Online
Maps from centuries ago
David Rumsey Map Collection
Archive of 150,000 historical maps
OpenStreetMap
World map drawn by volunteers
WindowSwap
Look out the window of a random person around the world
Virtual Vacation
Virtual walks through cities
MapCrunch
Teleport to a random spot on Earth
Atlas Obscura
Catalog of the world's strangest places
Space & Astronomy
Data & Visualization
The Pudding
Visual articles told through data
Our World in Data
The state of the world with real data
Gapminder
What we mistakenly think we know about the world
Information is Beautiful
Visualizing complex data
World Bank Open Data
World Bank's open data
Worldometer
The world's statistics, second by second
Internet Live Stats
Current number of tweets and searches being posted
Observable
Visualize data with live code
Books & Archives
Internet Archive
Archive of millions of books, films, and software
Project Gutenberg
70,000 free books whose copyrights have expired
Open Library
Record of every book in the world
Library of Congress
U.S. Library of Congress digital archive
Europeana
Europe's cultural heritage archive
Digital Public Library of America
America's digital library collection
Art & Culture
Music & Audio
My bookmarks.
Sites I frequent — from billiards and guitar gear to electronics, cybersecurity, and development.
Billiards
Railbird
AI-powered pool game recording and shot analysis app
AZBilliards
Billiards community hub with news, forums, and tournament coverage
Seybert's Billiards Supply
Online retailer for pool cues, shafts, cases, and accessories
PoolDawg
Online billiards retailer with 3,000+ products from 50+ brands
Ozone Billiards
Pool cues, billiard tables, and game room furniture
Billiard Glasses
Custom prescription glasses designed specifically for billiards players
ChalkySticks
Find nearby pool tables, connect with players, and train with a 3D simulator
PoolBilliards.co
Structured practice drills with score tracking and performance analytics
Projection Pro Billiards
Training system that projects 1,400+ drills onto your pool table
World Nineball Tour
Live scores and results for professional World Nineball Tour events
Billiard Life
Billiard equipment and apparel retailer with same-day shipping
Awesome Billiards
Online billiards retailer for cues, shafts, cases, and accessories
PoolHub
All-in-one platform for pool players, streamers, leagues, and tournaments
Cornerstone Custom Cues
Dealer specializing in collectible and investment-grade custom pool cues
Guitar — Learning & Tabs
JustinGuitar
1,300+ free online guitar lessons for beginners to advanced
National Guitar Academy
Online guitar learning with structured courses and free tutorials
Guitar World
Guitar news, gear reviews, artist interviews, and lessons
Premier Guitar
Guitar gear reviews, lessons, artist interviews, and videos
Ultimate Guitar
Largest database of free guitar tabs, chords, and Guitar Pro files
Songsterr
Interactive guitar tabs with rhythm for guitar, bass, and drums
Guitar Pro Tabs
Community-powered search for Guitar Pro tablature
GtpTabs
Free Guitar Pro tabs database with thousands of songs
GProTab.net
Free platform to share, play, and download Guitar Pro tab files
Sheet Happens Publishing
Artist-approved professional transcription books for guitar, bass, and drums
PaidTabs
Marketplace to request, buy, and sell guitar and piano transcriptions
Guitar — Tools & Reference
Metronome Online
Free online metronome tool with accurate BPM tempo for practice
Stringjoy String Tension Calculator
Online tool to calculate guitar string tension by string specs
Guitar.com
Guitar culture news, reviews, interviews, and guides
MusicRadar
Music gear news, reviews, tutorials, and free samples
MusicNomad
Cleaning, care, and maintenance products for guitars and instruments
Ernie Ball
News, artists, gear, and stories from string manufacturer Ernie Ball
Seymour Duncan
Handcrafted guitar and bass pickups, pedals, and accessories
Guitar — Shops & Gear
Reverb
Marketplace for buying and selling new, used, and vintage music gear
Sweetwater
Major online retailer of musical instruments and pro audio equipment
Chicago Music Exchange
Guitar and gear retailer specializing in new, used, and vintage instruments
The Music Zoo
Online retailer of guitars, amps, effects, and accessories since 1994
Andy's Music
Music retailer offering instrument sales, service, rentals, and lessons
zZounds
Music equipment retailer with payment plans and fast shipping
Musician's Friend
Online retailer of musical instruments, equipment, and accessories
American Musical Supply
Musical instrument retailer with no-interest payment plans
Sam Ash
Music equipment retailer with online and physical stores nationwide
Thomann
Europe's largest online retailer of instruments, recording, and PA gear
Guitars Garden
Online retailer of electric, acoustic, and bass guitars
Joe Bonamassa Official Store
Official store for Joe Bonamassa music, gear, apparel, and collectibles
StewMac
Tools, parts, and supplies for building and repairing stringed instruments
Amplified Parts
Amp parts, tubes, speakers, guitar hardware, and DIY kits
Floyd Rose
Manufacturer of locking tremolo systems, upgrades, and guitar parts
Guyker
Premium replacement guitar and bass hardware including tuners and bridges
Rattlesnake Cable Company
Handmade guitar and instrument cables from Missoula, Montana
Bare Knuckle Pickups
Hand-wound guitar and bass pickups and custom pickguard builder
Positive Grid
Smart guitar amps, effects software, and audio accessories
IK Multimedia
Professional audio software and hardware for guitarists and producers
Bogren Digital
Digital amp simulators, drum plugins, and mixing tools
EarthQuaker Devices
Handcrafted guitar effects pedals built in Akron, Ohio
JHS Pedals
Kansas City manufacturer of guitar effect pedals and audio gear
Fortin Amplification
Boutique manufacturer of high-gain amps, cabs, and effect pedals
LovePedal
Manufacturer of guitar effect pedals with custom shop services
Menatone
Handmade guitar effect pedals manufacturer since 1996
Greenhouse Effects
Manufacturer of guitar effect pedals including phasers and fuzzes
Fuzz Imp
Handcrafted fuzz, distortion, overdrive, and delay pedals
Black Arts Toneworks
Guitar effect pedal manufacturer specializing in fuzz and distortion
Lichtlaerm Audio
Berlin-based maker of handmade distortion pedals, amps, and speakers
RedSeven Amplification
Italian boutique manufacturer of handcrafted tube amps and preamp pedals
Dean Costello Audio
Hand-built high-gain guitar and bass amplifiers
Krozz Devices
Guitar effect pedal maker offering distortion, flanger, and overdrive
JPTR FX
Manufacturer of fuzz, distortion, and delay guitar effect pedals
NotPedals
Curated retailer of guitar effects pedals from independent builders
A.I.B Custom Fx
Custom fuzz, distortion, and octave guitar effect pedals
Pitbull Audio
San Diego pro audio, musical instruments, and DJ gear retailer
Guitar Pedal Shoppe
Online retailer of guitar effects pedals, amps, and accessories
Mathis Audio Tech
French maker of guitar effect pedals and amplifiers
Electronics — Parts Suppliers
Small Bear Electronics
DIY guitar pedal parts, kits, and electronic components
DigiKey
Major global distributor of electronic components with fast shipping
Mouser Electronics
Authorized global distributor of semiconductors and electronic components
Tayda Electronics
Affordable electronic components supplier popular with hobbyists
TubeDepot
Retailer specializing in vacuum tubes and analog audio components
Electronics — Simulators & Tools
EveryCircuit
Online and mobile circuit simulator with animated real-time visualization
CircuitJS1
Open-source browser-based interactive electronic circuit simulator
CircuitLab
Browser-based schematic editor and analog/digital circuit simulator
Falstad Circuit Simulator
Interactive circuit simulator with animated voltage and current flow
RapidTables
Online calculators and reference tools for math, electrical, and conversions
Electronics — General
ePanorama.net
Comprehensive electronics encyclopedia covering circuits and schematics
CircuitBread
Educational platform with animated tutorials for learning electronics
All About Circuits
Electronics engineering community with articles, forums, and tools
PedalPCB Forum
Community forum for DIY guitar pedal building and troubleshooting
Runoff Groove
DIY audio effects schematics, circuit designs, and sound samples
Newark
Electronic components distributor serving North America
Analog Devices
Global semiconductor company specializing in analog and digital solutions
Electrical Technology
Tutorials, wiring diagrams, and calculators for electrical engineering
Hacking Challenges — Paid
Hacking Challenges — Free
Hacker101
Free web security class with video lessons and CTF challenges
OverTheWire
Free wargames teaching security concepts through terminal-based challenges
Root Me
Hacking and security challenge platform with 400+ exercises
HackThisSite
Free, legal training ground for ethical hacking with CTFs and challenges
pwnable.kr
Wargame site with system exploitation and pwn challenges
W3Challs
Hacking challenges covering crypto, forensics, web, and reverse engineering
pwn.college
Free university-backed cybersecurity education with belt-ranked challenges
IT News
Hacker News
Community-driven tech and startup news aggregator by Y Combinator
SD Times
News and analysis for the software development industry
InfoWorld
Enterprise IT news covering AI, cloud, software development, and security
Developer Tech
Software development news, analysis, and events
ZDNET
Business technology news, advice, reviews, and buying guides
Network World
Enterprise networking, data center, and IT infrastructure news
Computerworld
IT industry news, features, and technology buyer's guides
Ars Technica
In-depth technology, science, and policy news and analysis
The Register
Technology news and analysis covering enterprise IT, security, and software
CIO Dive
Enterprise technology and IT leadership news
Cybersecurity
Krebs on Security
Investigative journalism on cybersecurity threats by Brian Krebs
Securelist
Kaspersky's threat research with APT analysis and malware reports
PentesterLab
Hands-on web hacking and security code review training with 700+ labs
Slashdot
News for nerds, stuff that matters — community-driven tech discussion
OWASP Foundation
Open-source tools and education for application security
Development
33 JavaScript Concepts
33 fundamental concepts every JavaScript developer should know
MDN Web Docs
Mozilla's comprehensive reference for HTML, CSS, JavaScript, and Web APIs
ByteSizeGo
Go programming courses, interactive exercises, and 256+ blog posts
LeetCode
Coding challenge platform with 2,000+ problems for interview preparation
Mammoth Interactive
Online learning platform with 5,000+ hours of programming courses
Boot.dev
Interactive backend programming courses in Python, Go, and DevOps
Austin Z. Henley
Personal blog on AI, developer tools, and side projects
Replit
AI-powered platform to build apps and websites from natural language
Phoenix Code
Free open-source visual code editor for web development
Flaticon
Largest database of free customizable icons and stickers
Blogging for Devs
Free course and newsletter teaching developers to grow their blogs
GameDev.tv
Game development courses for Godot, Unity, Unreal, and Blender
Roguelike Tutorials
Step-by-step tutorials for building roguelike games from scratch
Game Developer
Game industry news, deep dives, and analysis