Unknown Index
The directory of unknown websites, tools, utilities, and archives most people never discover.
Surprise me →Library of Babel
Hidden WebsitesA website inspired by the Borges story that contains every possible page of 3,200 characters, which you can search to find any text you can think of.
libraryofbabel.info
Low-tech Magazine
Hidden WebsitesA magazine about the past and the future of low-technology solutions, run on a website that is itself powered by solar energy.
solar.lowtechmagazine.com
VisuAlgo
Learning ResourcesAnimated, step-by-step visualisations of data structures and algorithms, from sorting and linked lists to graphs and dynamic programming, with the ability to run each on your own input.
visualgo.net
Recently Added
The latest discoveries added to the index
ACE-Step
AI ToolsACE-Step: A Step Towards Music Generation Foundation Model - ace-step/ACE-Step
github.com/ACE-Step/ACE-Step
British Accent Generator
AI ToolsCreate British text to speech with the British Accent Generator. Preview 315 RP, young British, Scottish, Welsh, and Northern Irish voices, then download audio.
britishaccent.pro
Video Audio Remover by Video Text Remover AI
Creative ToolsRemove audio from video online. Share recordings without private speech or prepare clips for new music. Free local download, no login or upload.
videotextremover.net/remove-audio-from-video
JevModel
AI ToolsRun the Jev model in your browser: 3 live runs without signup, then 100,000 free tokens. Get Choice, Score and Noul answers, build decision flows, run batches and call the Jev API.
jevmodel.app
EraseNoise
Creative ToolsRemove background noise from audio and video online. Upload an MP4 or MOV directly, hear a free 30-second preview, and get the same video back with the picture untouched.
erasenoise.com
Timeline Visualizer
Creative ToolsFree, private Google Maps Timeline visualizer. Open location history JSON, replay your route, and export a travel video in the browser, no upload, no account.
timelinevisualizer.org
Collections
Themed lists of hidden tools worth discovering
7 Useful Websites Most People Have Never Heard Of
7 sitesThe internet is enormous. Most people only ever see the same handful of sites. These seven are worth knowing about.
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5 Free Developer Tools for API Testing and Debugging
5 sitesThese tools are free, powerful, and criminally underused. If you write code, build APIs, or work with data — bookmark these.
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5 Best Free AI Research Tools for Finding Information Faster
5 sitesNot hype. Not chatbots. These AI tools solve real research and data problems that generic tools cannot handle.
Read collection →