Tech & Development

Hardware hacking, embedded systems, and reverse engineering. Creative technical projects.

Minimalist tilde community. Shell accounts, web hosting, Gemini, and more.

Non-profit Git hosting. Community-run alternative to GitHub. Based in Germany.

Minimalist software forge. Git hosting, CI, mailing lists, no JavaScript required.

Classless CSS framework. Make HTML look good with zero effort.

OpenBSD developer. Unix, self-hosting, and low-tech computing.

Unix philosophy, BSD, and computing minimalism. Against the bloated web.

Programming essays and projects. Zig language explorer.

Web security and JavaScript. Express.js Helmet maintainer.

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

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

Security, home automation, and self-hosting. Practical guides and projects.

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

Open source developer. Eve REST framework creator. Python and .NET.

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

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

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

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

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

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

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

Creator of Micro.blog. Writing about indie web, blogging, and owning your content.

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

Software engineering and career development. Practical advice for developers.

Unix sysadmin at U of Toronto. Daily posts on Linux, email, and system administration.

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

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

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

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

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

Hardware, Python, and synthesizers. Building musical instruments and explaining how they work.

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

Oona Risnen on signal processing, radio, and hidden data. Decoding the invisible world around us.

Systems debugging war stories. Tales from the trenches of large-scale infrastructure.

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

Public access Unix system (tilde/pubnix). Free shell accounts, web hosting, gopher, gemini. Join the community.

Hardware hacking and maker community. Fresh hacks every day since 2004. Electronics, 3D printing, retrocomputing.

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

Andrew Huang on hardware hacking. Reverse engineering and open hardware.

Directory of certified open hardware. Find truly open projects.

Open Source Hardware Association. Standards and certification.

Global Village Construction Set. Open source industrial machines.

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

Accessibility consultant's blog. Detailed component accessibility analysis.

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

Accessibility testing tools. Browser extensions and developer APIs.

Free open source planetarium. See the sky from anywhere at any time.

Open source geospatial analysis tool. Beautiful large-scale data visualization.

Recursively search directories with regex. Faster than grep.

Command-line fuzzy finder. Essential shell productivity tool.

Command-line task management. Powerful filtering and reporting.

Fast, feature-rich, GPU-based terminal. Graphics protocol support.

GPU-accelerated terminal emulator. Highly configurable with Lua.

Terminal workspace with batteries included. Tabs, panes, and plugins.

Minimal, blazing-fast shell prompt. Works with any shell.

Framework for managing Zsh configuration. Plugins, themes, and sanity.

Beautiful terminal tools in Go. Glow, Gum, VHS, and more.

The most popular 3D printer firmware. Powers millions of printers worldwide.

Open source 3D printer firmware. High-speed printing with input shaping and pressure advance.

Open source model railroad software. Decoder programming and layout automation.

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

Official Gemini documentation. The lightweight internet protocol specification.

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

Open hardware laptops. MNT Reform and Pocket Reform with full schematics.

Open source hardware. PinePhone, PineTime, and affordable ARM devices.

Open source browser for e-ink devices. Optimized for e-paper displays.

E-ink device news and reviews. Coverage of e-readers, tablets, and note-taking devices.

Home networking tutorials. OPNsense, VLANs, and network security.

Community Docker images. Well-maintained containers for self-hosted apps.

Podcast about self-hosting. Software picks, setup guides, and community news.

Server and workstation hardware reviews. Enterprise gear for homelabs.

Cross-platform tracker inspired by FastTracker II. Create MOD and XM music.

NES/Famicom music tracker. Create authentic 8-bit music for hardware or emulation.

Innovative Eurorack manufacturer. Maths, Morphagene, and unique module designs.

Free virtual Eurorack. Software modular with thousands of free modules.

RetroArch and libretro ecosystem. Cross-platform emulation frontend.

Natural language IF authoring. Write text adventures in English-like prose.

Open source tool for interactive stories. No coding required. Powers countless narrative games.

Open source survival roguelike. Post-apocalyptic simulation with incredible depth.

Open source roguelike. Play online, download, or contribute to development.

Makers of AxiDraw pen plotter. Tutorials, projects, and open source drawing machines.

John Mottishaw's nib work and pen resources. Master nibmeister with decades of experience.

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

Curated selection of enthusiast keyboards. Known for excellent customer service and quality picks.

US-based keyboard shop. In-stock boards, group buys, and their own designs like the Devastatingtkl.

Major custom keyboard retailer. Kits, switches, keycaps, and tools. Community-trusted vendor.

Mechanical keyboard guides and reviews. Switch comparisons, build tutorials, and buying guides.

Obsessively detailed mechanical switch reviews. Force curves, sound tests, and thorough analysis.

Modern wireless keyboard firmware. Bluetooth-first, Zephyr-based alternative to QMK.

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

Visual firmware configurator for custom keyboards. Drag-and-drop keymap creation for QMK-powered boards.

Mechanical keyboard news and reviews. Weekly roundup of group buys, releases, and community happenings.

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

Curated list of open source amateur radio projects on Hackaday.io.

Software defined radio tutorials and news. Turn cheap TV tuners into powerful radio receivers.

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

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

Operating system designed to survive civilization collapse. Runs on minimal hardware, self-assembling.

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

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

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

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

List of self-hosted services and web apps. 250K+ stars. The definitive guide to running your own servers.

Curated list of open source sysadmin resources. Monitoring, backup, configuration management, and more.

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

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

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

Bruce Schneier's security blog. Cryptographer and security expert writing since 2004.

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

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

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

Services, tools and knowledge to protect your privacy. Curated recommendations for privacy-respecting software.

Check if your email or phone was in a data breach. Free service by Troy Hunt, essential for security awareness.

Analyze files and URLs for malware. Scans with 70+ antivirus engines and URL/domain blocklists.

Static analysis for shell scripts. Finds bugs, pitfalls, and improvements in your bash code.

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

Founder of Signal. Writing on cryptography, privacy, security, and the intersection of technology and society.

Cryptographer, Go security lead. Creator of mkcert. Deep technical posts on cryptography and security.

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

Brian Krebs' investigative reporting on cybercrime. Breaking security news and deep dives into hacking incidents.

Matthew Green's blog on cryptography and security. Accessible explanations of complex crypto topics.

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

Raspberry Pi enthusiast, Ansible expert, YouTuber. Detailed guides on hardware hacking and self-hosting.

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

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

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

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

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

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

Collection of security resources. Tools, books, and resources for security professionals.

Curated list of hacking resources. CTFs, tutorials, tools, and learning paths.

Collection of inspiring lists, manuals, cheatsheets, and tools. 200K+ stars. A hacker's encyclopedia.

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

The quick and simple editor for cron schedule expressions.

Convert Unix timestamps to human-readable dates and back.

Encode and decode Base64 strings. Simple developer utility.

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

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

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

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

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

Test SSL/TLS configuration of any website. Industry standard for SSL analysis.

Analyze HTTP security headers of any website. Quick security audit.

Stunning interactive explainers on mechanical watches, GPS, cameras, and more. Engineering education at its finest.

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

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.

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

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

Search engine for Internet-connected devices. See what's exposed on the internet. Essential for security researchers.

Deep technical reverse engineering posts. Famous for breaking down Ticketmaster's rotating barcode system.

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

George Hilliard's embedded systems blog. Famous for making a business card that runs Linux.

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

Security researcher Alex Hope. Famous for finding Tony Abbott's passport number on Instagram.

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

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

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

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

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

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

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

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

Hands-on introduction to Go. Annotated example programs.

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

Interactive regex tutorial. Learn regular expressions step by step.

Interactive SQL tutorial. Practice queries on real databases.

Comprehensive PostgreSQL guide. From basics to advanced topics.

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

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

Private, open-source investment tracker. Track your portfolio without sending data to third parties.

Bryan made an open-source laptop from scratch. Hardware documentation, design files, and build logs.

Homemade retro video game console built from scratch. Detailed hardware and software documentation.

Curated list of Raspberry Pi tools, projects, and resources. Hardware hacking essentials.

Curated list of electronics resources. PCB design, simulation, and learning materials.

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

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

Crowd-sourced software recommendations. Find open source alternatives to any application.

Curated list of open source alternatives to popular SaaS products. Self-host everything.

Engineering projects and experiments. Designed a cube that balances itself on a corner using reaction wheels.

Entrepreneur and maker. Famous for sorting two metric tons of Lego using machine learning.

Hacker and maker. Creator of Ledonardo light painting hardware and various web tools.

Modular, repairable laptops. Designed for longevity with replaceable components and open-source hardware.

Fast, feature-rich terminal emulator by Mitchell Hashimoto (HashiCorp founder). Native performance with modern features.

60fps e-paper tablet for reading and writing. LivePaper display technology for easy-on-eyes computing.

Community keeping Pebble smartwatches alive. App store, cloud services, and new watch development.

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

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

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

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

Version numbering specification. The standard for software versioning.

Specification for commit messages. Standardize your git history.

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

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

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

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

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

Linux and Unix tutorials and tips. Practical sysadmin knowledge.

Learn Linux step by step. From command line basics to system administration.

Learn security through challenges. SSH-based hacking games.

Learn cryptography by breaking it. Programming challenges teaching crypto.

Cybersecurity education platform. CTF-style learning from ASU.

Learn cybersecurity through hands-on exercises. Guided hacking rooms.

Free web security training. Learn to find and exploit vulnerabilities.

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

Jim Leonard's retro computing resource. PC demos, vintage hardware documentation, and digital preservation.

x86 emulator running in the browser. Boot Windows 98, Linux, or FreeDOS without installing anything.

Discover trending open source projects. Categories, tags, and popularity metrics.

Build a computer from scratch. Video series on building a CPU, GPU, and networking from basic components.

Electronic circuit simulator in the browser. Visualize current flow and experiment with components.

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

Digital rights organization defending civil liberties online. Fighting for privacy, free speech, and innovation.

Research lab studying digital threats to civil society. Exposes government surveillance and spyware.

Free, automated SSL/TLS certificates. Nonprofit that helped encrypt half the web.

Catalogue of free and open source Android apps. Alternative app store with no tracking or proprietary code.

Privacy-focused VPN that accepts cash by mail. No accounts, no email required, just anonymous access.

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

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

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

3D printing model repository. Free designs for anything you can print.

3D printing models from Prusa. High quality, well-organized designs.

Curated 3D printable objects. Guaranteed to print designs.

Open podcast database. Supporting an open podcasting ecosystem.

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

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

Platform for hardware projects. Electronics, 3D printing, and making shared by a global community.

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

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

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

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

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

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

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

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

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

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

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

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

Industrial supply catalog with exceptional UX. Fast search, detailed specs, overnight shipping. A masterclass in e-commerce.

Shared Unix server hosting personal websites. A throwback to the early days of the web.

A loose association of pubnix servers providing free Unix shell accounts and fostering a community of small-web enthusiasts.

Deep dives into electronics, retrocomputing, and security from the creator of AFL fuzzer.

Reverse engineering vintage chips and circuits. See the inside of the 8086, Bitcoin mining with pencil and paper.

In-depth microcontroller reviews and embedded systems tutorials. Amazing technical depth.

Interviews with people about the hardware and software they use. Fascinating window into how creative people work.