Tech
1,683 interactive pages · most loved first · page 9 of 71· Tonble one of these
Cake Day Neighbours
A tool for finding Redditors and communities that joined around the same time you did, so you can meet people from your…
CalcuLaTeX
A pretty-printing calculator language that runs in the browser, where you write math as plain expressions and see it ren…
Calculating Empires
A huge zoomable visual map tracing how technology and power co-evolved over five centuries, from communication devices t…
Calligrapher.ai
A handwriting generator that runs a recurrent neural network in your browser to turn typed text into realistic print and…
Callum's Sandbox
A sandbox of WebGL experiments by Callum Prentice, including a 3D globe that animates NOAA storm tracks going back to 18…
Calmly Writer
A free online notepad with no signup, offering auto-save, word count, dark mode, markdown support, and classic typewrite…
Camera Lens Picker
A database of more than 1,500 camera lenses for Canon, Nikon, Sony, Fuji, and more, with real sample photos and new and…
Can You Block It?
A test page packed with assorted ad formats that shows how well your ad blocker works, covering AdBlock, AdBlock Plus, A…
Canvas Sketch
A browser tool for sketching a business model canvas, letting you fill in the building blocks of a business idea togethe…
Canvmark
A bookmark manager that gives you an infinite canvas to arrange your favorite websites spatially, kept minimal, fast, an…
Capitalize My Title
A title capitalization tool that converts text to Title Case using AP, APA, Chicago, or MLA rules, plus sentence case, u…
Car PDI
A free 100-plus point pre-delivery inspection checklist for new car buyers in India, with a VIN decoder, odometer fraud…
Carbon
A tool that turns pasted source code into a beautifully styled, shareable image with syntax highlighting, window chrome,…
Carbon Counter
An MIT-built tool that plots cars by emissions and cost against climate targets, so you can compare models side by side…
Carbon Dating The Web
A university research tool that estimates the birth date of any web page by checking archives, backlinks and social ment…
Carsized
A virtual showroom where you park cars side by side to compare front, side and rear sizes, across millions of combinatio…
Cartographers of North Korea
A data story analysing who actually edits OpenStreetMap for North Korea, with maps and charts tracing the mysterious con…
Cartography of Generative AI
A large illustrated map by Estampa tracing what makes generative AI possible - minerals, energy, data, hidden labor and…
CellCulTuring
Pong implemented entirely as a cellular automaton, where simple local rules on a grid of cells produce the ball, the pad…
CellMapper
A crowd-sourced map of cellular towers and signal coverage around the world, showing tower locations and network bands c…
CesiumJS Sandcastle
A live-editable gallery of code demos for the open-source CesiumJS engine, showing off interactive 3D globes, terrain, a…
Chacy
A simple tool for making shared lists with real-time Reddit-style voting, where you and your friends add and rank items…
Charcuterie
A visual explorer for Unicode where you browse characters, jump between similar-looking glyphs, and wander through scrip…
ChartRank
A music stats tool that lists every song by an artist ranked by total streams, daily plays, or popularity, going past Sp…
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.