TOP-100 █

> The world's largest platform for code hosting, version control, and open-source collaboration. If you code, you live here.

> Community-driven Q&A for programmers. Quick and easy answers to any type of coding question you may have.

> A must for any geek interested in HTML coding. Focuses on HTML, CSS and Javascript but also covers SQL, PHP, JQuery, Java and Python.

> Over 1800 hours of free coding classes. From responsive websites to database design and security implementation. Great for beginner to intermediate coders.

> Programming editor with over 4 dozen languages, programming challenges, lessons and a coding forum.

> Coding challenges in 10 languages including Python, Ruby, C#, Java, Javascript, Swift, PHP, Go, C++ and C. Plus classes and interview prep.

> For advanced coders who want to test their skills and potentially make some money. Great if you know lots of languages and can fix bugs easily.

> Online IDE with collaborative coding, AI assistance, and instant deployments. Code in 50+ languages right from your browser.

> Practice ethical hacking and penetration testing in a legal, gamified environment. Great for aspiring cybersecurity professionals.

> Coding challenges and interview prep used by millions of developers. The go-to site for grinding algorithm problems before tech interviews.

> Test Python code without downloading an application. You can also easily download Python right to your Mac, PC or Linux box from the same link.

> Community-driven blogging platform for developers. Think Medium but built by devs, for devs, with way less paywall nonsense.

> Tutorials for computer hobbyists and IT pros. Everything from hardware and software to networking and servers.

> One of the best how-to resources on the web. Around 20 categories with a great visual format for visual learners.

> Learn how to make things - from technologies to crafts. Even tutorials on how to make cosplay costumes.

> General life tips from how to make a quick buck to how to train your own neural network. Making life a little bit easier.

> Great DIY section for technocrats. One of the coolest resources for building the latest tech toys or starting an interesting tech project.

> Free repair guides for everything from iPhones to tractors. The right to repair starts here.

> Massive library of free 3D printing models. Download, remix, and print everything from phone stands to cosplay armor.

> Hardware hacking, electronics projects, and maker culture. If you've ever soldered something you shouldn't have, this is your people.

> Tiny, affordable computers for learning and making. The gateway drug to hardware hacking and DIY electronics projects.

> Electronics kits, tutorials, and maker community founded by Limor Fried. The friendly on-ramp to hardware hacking and DIY electronics.

> Perhaps the best resource for the most creative and out-of-the-box video lectures on the web. Almost any topic from economics to religion to predicting the future.

> Listen to lectures while someone draws on a virtual blackboard. Free education that has grown massively from Salman Khan's original videos.

> Excellent resource for grasping unfamiliar topics. In 20 minutes you'll be able to converse with anyone on whatever topic you look into.

> Like YouTube for geeks. Funny videos, out-of-the-box ideas, and philosophical content. Articles too, but the best content is in the videos.

> Well-done classes where you can learn a lot in a short time. Programming, website building, guitar - a growing library of quality content.

> Take Stanford classes for free. Courses in biosciences, business, medicine, sciences, math, law, engineering, computer science and more.

> Free lecture notes, exams, and videos from MIT. Reddit's most recommended free university resource by a mile.

> Math visualizations that make linear algebra, calculus, and neural networks click. Grant Sanderson is a Reddit legend.

> Everything for math geeks. Every obscure thing that ever perplexed you about math is explained simply and clearly.

> For anyone with even a passing interest in astrophysics or the nature of time. Will send your mind into outer space.

> Like Cliff's Notes in video form. Learn about a topic quickly with great animation and entertaining hosts like John Green.

> Some of the best lectures available online. The sheer amount covers almost every topic you can think of and then some.

> Interactive lessons in math, science, and computer science. Learn by solving puzzles, not watching lectures. Addictive in the best way.

> Learn 24 different languages for free. For aspiring polyglots and language geeks.

> Learn about other countries, their leaders, intelligence-related topics and a myriad of other things. One of the best government websites.

> Randall Munroe's webcomic of romance, sarcasm, math, and language. Hover over the comics for the hidden alt-text jokes. A nerd rite of passage.

> Space news, mission updates, and stunning imagery from the final frontier. Live streams of launches and the ISS.

> Research and data to make progress against the world's largest problems. Beautiful charts on everything from poverty to energy.

> Online courses from Stanford, Yale, Google, and hundreds more. Audit for free or pay for certificates. The biggest MOOC platform out there.

> One of the most reliable sites for reviewing credit cards, loans, savings accounts, brokers and more. Free credit score too.

> Get a lot of stock data quickly. Mock portfolios, stock screening, and premium backtesting tools for investing geeks.

> Joel Greenblatt's stock screening tool based on his book. The formula has beaten the market consistently.

> Free backtesting and analytics tools. Factor analysis, timing models, and fund discovery for serious investors.

> The Wikipedia of finance. Clear explanations of every investing and economics concept you'll ever encounter.

> Budgeting software that actually works. Give every dollar a job and stop wondering where your money went.

> The investing community built around Jack Bogle's index fund philosophy. Reddit's go-to resource for no-nonsense, low-cost investing advice.

> Income percentile calculators, S&P 500 return tools, and net worth by age data. The geekiest personal finance site on Reddit.

> Stunning infographics and data visualizations about money, markets, and the global economy. The prettiest way to understand finance.

> Advanced charting platform and social network for traders. Real-time data, stock screeners, and a massive community sharing ideas.

> The godfather of the FIRE movement. Retire early through badassity, frugality, and index funds. A Reddit cult classic.

> Ray Dalio explains economics simply in 30 minutes. Worth watching multiple times for the concepts to fully sink in.

> Data-driven personal finance advice for high-income earners. Great YouTube channel and podcast that geeks out on the numbers.

> Fast and secure VPN. Hide your IP address and encrypt your network data to surf the web anonymously.

> Top-rated VPN by PCMag and CNET. Similar to ExpressVPN but a little bit cheaper.

> Ever wonder if the reviews you see are actually real? Wonder no more with this handy tool.

> Compress PNG and JPEG files without loss in quality. Great for optimizing website load times.

> Free Photoshop alternative that runs entirely in your browser. The creator does regular Reddit AMAs and it shows.

> The internet's library. Wayback Machine, free books, movies, music, and software. Preserving the web since 1996.

> A virtual whiteboard for sketching diagrams and wireframes. Feels like drawing on paper but collaborative and infinite.

> Changes your screen to warmer colors in the evening. Some people prefer it over built-in night mode due to its dynamic shift.

> Build, test, and debug regular expressions with real-time explanation. Every developer's regex bookmark.

> All-in-one workspace for notes, docs, wikis, and project management. r/Notion has 400k+ subscribers for a reason.

> Check if your email or passwords have been exposed in data breaches. Created by security researcher Troy Hunt.

> Community-recommended tools and knowledge for protecting your digital privacy. VPNs, browsers, email, and more.

> Addictive interactive web experiments - spend a billionaire's money, explore the deep sea, or watch the size of the universe unfold.

> Free graphic design platform that makes anyone look like a designer. Presentations, social posts, logos, and more -- no Photoshop required.

> One of the largest communities for online gaming. Both free and paid games, multiplayer gaming, and chatting with other gamer geeks.

> One of the best sites for video game reviews, gaming news, and game rankings.

> Great for video game rankings, reviews, gaming news, and free gaming shows.

> Aggregated review scores for games, movies, TV, and music. One number to rule them all.

> Game mods for PC, plus a forum and chat rooms to connect with other gamers.

> Stream games you're playing or watch other gamers stream. The home of live gaming.

> Community reports on how well Steam games run on Linux and Steam Deck. Essential for the Linux gaming crowd.

> Indie game marketplace where creators set their own prices. Discover weird, wonderful games you'll never find on Steam.

> Gaming news, videos and reviews. Also links to other great geek sites like The Onion.

> How long does it take to beat any game? Main story, completionist, speedrun - the data every gamer checks before committing.

> Games, news, audio, videos, art - all created by users and voted on by users.

> Community wiki fixing PC game issues - compatibility patches, tweaks, and fixes for thousands of titles.

> The definitive leaderboard for speedrunning every game imaginable. World records, rules, and a passionate community of frame-perfect gamers.

> Technology news, gaming, cars, IT and science.

> Latest technology and product news and reviews.

> Free IT tools and a massive community forum for sysadmins and IT pros. Help desk, network monitoring, and more.

> News from MIT about the latest in technology and science. For geeks who want to stay on the cutting edge.

> Another great technology news site.

> Tech news in a nice bite-sized format so you don't waste time keeping up on the latest.

> News aggregator for nerds on the stuff that matters. Created and moderated by humans, not just algorithms.

> Science, tech and the future. Also guides and product reviews.

> Y Combinator's tech news aggregator. Where Silicon Valley and the broader tech community discuss what matters.

> Latest news in science plus career news and advice for science geeks.

> Left-leaning news with right-wing free market ideology. Good factual and editorial reporting.

> Right-leaning, mostly economics and politics. Good editorial and factual reporting.

> Left-leaning with great content like Radiolab, Science Friday, tech radio, music, arts and culture.

> News in science and tech plus product reviews and geeky DIY.

> The latest news in tech, health, science and more.

> Latest in gaming news, game releases and reviews.

> Tech and science news plus product reviews. Essential reading for anyone following the tech industry.

> Invite-only tech news aggregator focused on computing. Higher signal-to-noise ratio than most alternatives.

> Iconic tech and culture magazine covering the intersection of technology, science, business, and pop culture since 1993.