XofY OSM Geometry Viewer by Matt Whilden - A web tool for visualizing collections of OpenStreetMap features by type and by city.

Aeris - Realtime 3D flight tracker by kewonit - A 3D flight tracker showing the realtime positions of commercial flights, color-coded by altitude

Game UI Database by Edd Coates - A crowdsourced database of UI reference images from hundreds of video games.

Library of Juggling by libraryofjuggling - An archived guide to juggling tricks and instructions for learners.

Walkman.Land by Walkman.Land - A web encyclopedia of all walkman models

Land Lines by Zach Lieberman, Matt Felsen, and the Data Arts Team - Draw a line and match it to a satellite image from around the world.

Vintage Calculators Web Museum by Nigel Tout - A celebration of the evolution of the calculator

all text in NYC by Yufeng Zhao - Searchable database of all text found in Google street view images of NYC.

Grateful Dead Fan Art Archive by UC Santa Cruz - Over 14,000 illustrated envelopes sent in to the Grateful Dead ticket service 1983-1996.

Linocut stamps by Alessandro Vallin

Urushiol Tattoos by Lindsey French - Temporary tattoos using urushiol-induced contact dermatitis

Library of Babel by Jonathan Basile - Comprehensive archive of every possible 3200 character text. Inspired by Jorge Luis Borges

Satellite Collections by Jenny O'Dell - Collections of like-objects found in satellite images.

Orisinal by Ferry Halim - Web games designed by Ferry Halim.