Tech
1,683 interactive pages · most loved first · page 25 of 71· Tonble one of these
Goodgallery 100,000 Demo
A WebGL sprite engine demo that loads and scrolls through 100,000 thumbnails in about a second, a stress test of what br…
Goody-2
A satirical chatbot billed as the world's most responsible AI model, which refuses every question on ethical grounds wit…
Google Earth
A browser-based globe for exploring 3D satellite imagery, terrain, and Street View of anywhere on the planet.
Google Maps Explained
A visual explainer of how Google Maps works, with interactive views you can try on any place in the world to see how the…
goQR.me
A no-frills QR code generator that instantly encodes any URL, text, or contact card into a downloadable QR image with no…
GPS Visualizer
A free utility that turns GPS tracklogs, waypoints, addresses, or coordinates into customizable maps and elevation profi…
GPU Fluid Simulation
A GPU-accelerated fluid simulation demo by graphics researcher Benedikt Bitterli, with a write-up of the technique behin…
gpx.studio
An online editor to view, create, and edit GPX route files on detailed maps, with route planning, elevation profiles, an…
Gradient Magic
A gallery of unique CSS gradients you can browse and copy, with ready-to-use code for backgrounds, buttons, and hero sec…
GradientArt
A visual canvas for building layered gradients, patterns and illustrations, with variables for customizing designs and e…
Graphisual
A free graph and algorithm visualizer where you draw nodes and edges, then watch BFS, DFS, Dijkstra and other algorithms…
Graphite
A free browser-based vector editor with a node-based procedural workflow, a bit like Blender for 2D graphics. Open it an…
Graphite
A free online vector editor and procedural design tool that runs in the browser, taking a node-based, Blender-inspired a…
GraphSurfing
A 3D visualization of Wikipedia as a graph, where articles become nodes you can fly through and follow links across as a…
Great Circle Mapper
Plots great circle flight paths between airports or coordinates on a map and reports distances and headings, with featur…
Great PubMed Search
A semantic search engine for PubMed that uses a vector database to help you find relevant scientific articles with plain…
GridForm
A browser tool that generates ASCII patterns with adjustable parameters and multiple pattern types, handy for making typ…
Gridwatch
A live dashboard of Ontario's electricity grid, showing power generation by source so you can see where your power comes…
Grooved
A free, ad-free browser app that calibrates your turntable by listening to a record as it plays, so you can check speed…
GUID Lottery
A tiny experiment that tests whether GUIDs are really that hard to guess, running a lottery of random identifiers to see…
Gummy
A drag-and-drop way to build JavaScript programs, made to help a beginner learn to code by snapping blocks together inst…
Hack this Shopping Cart
A playful demo showing how audio played from a phone speaker can lock and unlock the wheels of a store shopping cart, wi…
Hack.chat
A minimal anonymous chat service where any channel name becomes a room, with no accounts or sign-up and an open-source c…
Hacker Book
Browse the entire history of Hacker News from 2006 to 2025 in your browser, served from a 22 GB SQLite database, with fr…
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