Unknown Index
The directory of unknown websites, tools, utilities, and archives most people never discover.
Surprise me →Histography
Weird & FunInteractive timeline of all recorded history from the Big Bang to 2015, drawing from Wikipedia to visualize the density of events by time period and category.
histography.io
OpenSecrets
Research & DataNonpartisan database of US campaign finance data and lobbying records, tracking money in politics at the candidate and organization level.
opensecrets.org
Bellingcat
Research & DataIndependent investigative journalism collective pioneering open-source intelligence techniques for conflict verification and accountability reporting.
bellingcat.com
Recently Added
The latest discoveries added to the index
HOL Guard
AI ToolsLocal-first runtime firewall for AI coding agents. Intercepts shell, secrets, MCP, and package installs before they run. Apache-2.0. Free.
hol.org/guard
PDFAnnotations
Research & DataExtract PDF highlights, comments & notes instantly. Export to Markdown, Notion, Obsidian, CSV. Processed locally in your browser.
pdfannotations.com
AI Image Cleaner
AI ToolsFree online AI image cleaner: remove objects, people, text, and watermarks in your browser. No install, no credit card—brush a mask and download. Try free now!
ai-image-cleaner.com
Vocemo
Productivity ToolsOn-device AI for Mac: type what you say, write up meetings, read text aloud, translate, and handle PDFs. Everything runs on your own Mac. Nothing is uploaded.
vocemo.com
Internet Archive
ArchivesNon-profit digital library offering free access to millions of books, movies, music, software, and archived web pages.
archive.org
WeTransfer
Productivity ToolsSend large files (up to 2GB free) via a simple link — no account required for the sender or recipient.
wetransfer.com
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.
Read collection →
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 →