wikipedia.org
Wikipedia
★★★★★ 4.8
The first tab after a search. Talk pages and citations matter more than the infobox.
Plates / Learn
Learn
111 sites in six subcategories. This page lists the map, not the sites — open a square for the catalog.
REF
Reference
24 sites · encyclopedias, data, manuals
CRS
Courses
28 sites · free and paid paths
LNG
Languages
19 sites · human tongues, not code
SCI
Science
15 sites · papers, explainers, labs
KID
Kids
11 sites · school-safe, no ads in the listing
UNI
Universities
14 sites · open courseware and catalogs
Just in on Learn
archive.org
Internet Archive
★★★★★ 4.7
Wayback, books, TV, software. The catalog of things the live web dropped.
ourworldindata.org
Open