Tech
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Post-Futurism: The Age of the Hinge
An essay arguing that after a century of racing toward the future, the people who built it are walking away, leaving the…
postmarketOS
A touch-optimized Linux distribution built to give old and unsupported smartphones a second life, maintained by a self-h…
Pouët
The central community archive of the demoscene, cataloguing decades of real-time audiovisual demos, intros, and size-lim…
POV Candle
A tiny volumetric display built to mimic a flickering candle with spinning LEDs, with full build details, video demo and…
POV-Ray
The home of the Persistence of Vision Raytracer, a free 3D ray tracer, with a Hall of Fame gallery of striking rendered…
pow
A tiny shared web page where whoever mines the hardest proof-of-work hash gets their short text shown to everyone, like…
PoW Link Protector
A tool that wraps links you share in a proof-of-work check so bots cannot crawl them, from the ad-free Glade Art platfor…
PPRuNe
The Professional Pilots Rumour Network, a sprawling forum where airline pilots and industry insiders discuss careers and…
Practical Machinist
A veteran metalworking forum where machinists and hobbyists discuss lathes, mills, and shop techniques with deep technic…
Practical Use of Vector Math in Games
An in-depth article on the vector math game programmers rely on, explaining practical uses in games with clear examples…
Practical Wireless Tele Tennis
Grant Searle rebuilds the 1970s Practical Wireless Tele-Tennis TV game from the original magazine article, with schemati…
Pragma Twice
A programming puzzle game inspired by Chip's Challenge and Untrusted, with an online demo of six playable puzzles where…
Pravatar
A CC0 avatar placeholder service that serves random fake profile photos by URL, handy for filling sample apps and mockup…
Precious Plastic
A global open-source community building plastic recycling machines and sharing free blueprints, guides and workspace mod…
Precise Geolocation via Wi-Fi Positioning
An approachable investigation into how a laptop can pinpoint your location from nearby Wi-Fi networks, and how the datab…
Principles of Distributed Computing
ETH Zurich's Principles of Distributed Computing course page, collecting lecture material on the theory behind how distr…
Print Friendly & PDF
A tool that strips ads, images, and clutter from any web page, then formats a clean printable or PDF version in a couple…
Printables
Prusa's free 3D model platform hosting printable designs, seasonal contests, and detailed slicing settings shared by an…
PrintWhatYouLike
A free online editor that lets you strip ads and junk from any web page and format just the parts you want before printi…
PRISM Break
A curated directory of free, privacy-respecting alternatives to common apps and services, organized by platform and cate…
Privacy Guides
A nonprofit resource recommending privacy-respecting software, self-hosted tools, and secure practices, maintained by a…
PrivacyTools
A long-running guide to private alternatives for the apps you use every day, with recommendations for browsers, messenge…
Privnote
A tool that creates a self-destructing note: the message can be read once through a link, then it disappears from the se…
Procedural City Generation
A demonstration and explanation of a procedural road layout algorithm that grows realistic city street networks, with vi…
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