Current President of the OSM-US Board.

I’ve done quite a bit of mapping in Washington state but am always interested in finding ways to show areas of the map that could use some attention. If you find something I’ve edited that doesn’t look quite right, definitely let me know.

Happy mapping!

Maps

1. School mascot map - styled map of school mascots (ex: Eagles, Rangers, Warriors)
2. DecomissionedAircraftMap - find displayed aircraft. Powered by WikiData and overpass.
3. lighthouse-map-libre - all the nautical blinky things on OSM
4. TIGER Map - aid in TIGER review in the US
5. i-love-ultra - a collection of Ultra maps demonstrating various styles
6. Lampioni - a street light web map in support of the Feb 2026 monthly IT-OSM project

Tools

1. Address text to OSM tag splitter - break a chunk of text from a website into OSM addr:* tags
2. Microcosm - for when your webmap needs a tiny updated bit of OSM
3. XofY - view all of the X’s in Y place. ex: All the swimming pools in Phoenix Arizona.
4. TIGER-ROAR - JOSM plugin to aid in reviewing American roadways
5. multipoly-gone - JOSM plugin to simplify unnecessarily complex geometric representations
6. center-node-2 - JOSM plugin to squish sets of ways down to their centroids but keep their tags
7. Bonus JOSM Validator Rules - Custom validator rules to expand street abbreviations, tidy up phone numbers and more

Games

1. TagDuelling - the OSM tag knowledge game
2. osm-vexillophile - help mappers collect “flags” by mapping in each region across the globe

Finding undermapped things

1. UnmappedSmallTownUSA bot
2. UnmappedSmallTownCanada bot
3. UnmappedSmallTownBrazil bot
4. 1337 Rivers Project

Import account: watmildon_import