Featured

Interactive 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

Nonpartisan database of US campaign finance data and lobbying records, tracking money in politics at the candidate and organization level.

opensecrets.org

Independent investigative journalism collective pioneering open-source intelligence techniques for conflict verification and accountability reporting.

bellingcat.com

Personal knowledge management app that stores notes as typed objects — books, people, projects — with relational links between them.

capacities.io

Shane Parrish's site on mental models, decision-making, and thinking clearly — drawing from business, psychology, philosophy, and history.

fs.blog

Collaborative guide to the world's most unusual and overlooked places — over 25,000 destinations curated by a global community of explorers.

atlasobscura.com

Library of over 5 million royalty-free icons and stock photos contributed by designers worldwide, covering even obscure concepts commercial sets miss.

thenounproject.com

Collaborative digital library with 17 million digitized items from research libraries worldwide, including millions of public-domain books with full-text search.

hathitrust.org

A free Amazon price tracker that shows the full price history of any Amazon product and sends email alerts when an item drops to your target price — covering millions of products across multiple Amazon regions.

camelcamelcamel.com

A digital library of rare and obscure historical books — scanned from original texts and covering history, philosophy, science, occult literature, and forgotten classics — with millions of titles accessible free.

forgottenbooks.com

An AI voice synthesis platform producing highly natural-sounding speech in 29 languages — with voice cloning, emotional range, a dubbing tool for videos, and a library of pre-made voices for different styles.

elevenlabs.io

Search over 800 million openly-licensed images and audio files free to use.

openverse.org

Create and share beautiful images of source code in seconds.

carbon.now.sh

Modern AI-augmented terminal with collaborative features and intelligent command search.

warp.dev

Topic discovery site that maps subjects to curated learning resources, helping users start from a broad interest and branch into structured study paths.

learn-anything.xyz

A curated collection of browser-based indie games and classic arcade titles playable directly in the browser with no installation required.

arcadespace.org

Visual mathematics videos and interactive lessons that build genuine intuition for complex topics.

3blue1brown.com

Infinite AI-generated text adventure game where you can take the story in any direction.

aidungeon.com