6. Osm AuthAuthentication with OpenStreetMap, built on ohauth
10. maprouletteThis is a very old version of MapRoulette. Find the current version at osmlab/maproulette3 and the backend at maproulette/maproulette2
18. ohauthPure-browser OAuth for CORS-supporting sites like OpenStreetMap
19. wikidata-osmApps, tools and scripts to work with Wikidata items on OpenStreetMap
20. learnoverpassLearnOverpass is the definitive, one stop learning resource for the Overpass API.
23. osmdiffA read-only (for now) interface to OpenStreetMap diff / change APIs and files.