Curated discovery

Hidden Gems Directory

A bilingual discovery engine for useful, weird, under-linked places on the web.

Featured hidden gems

Small but dense: every gem needs source context, a use case, and a way to start.

Topics
Public domain assetsHuman reviewed

Public Work

A compact search surface for public domain images from museum and library collections.

Why worth a look: it makes public-domain archives feel browsable while keeping source context close.
PricingFree
Login requiredNo
API availableNo
Last checked2026-07-07
Good for
Finding inspectable public domain visuals.Starting a visual rabbit hole from credible collections.
One Useful Rabbit Hole30 minutes

Build a Useful Browser Toolkit Without Signing Up

A 30-minute path for turning four unusual browser tools into a small, reusable bookmark kit for everyday problems.

  1. Save a visual time-zone checkUse Every Time Zone to compare two working hours, then write down the meeting window the visualization makes easiest to understand.
  2. Add one account-safety checkUse Have I Been Pwned for an address you are authorized to check, then note the next concrete action without saving private results.
  3. Prove a browser editor can finish a small taskOpen a copy of a non-sensitive image in Photopea, make one small edit, and export the result before committing to a longer workflow.

Explore the library

Structured discovery routes for people, search engines, and AI answer engines.