Walk through the city
The map displays sites around you and triggers proximity alerts;
A cartography of memories in the palm of your hand
A geolocation app that gathers historical heritage sites, local memory, and cultural spaces on an open map. You walk and history unfolds in the palm of your hand.
01App Guide
Small steps and a great discovery at every crossroad
Open a point
Select a landmark to access archival texts and photographs telling the history of that place.
Choose your path
Choose themed routes linking points in narrative sequence or explore standalone points. Follow your own path!
Share!
Review points, post comments about landmarks, or suggest new points. Join collaborative curation created by the community exploring local history.
02
Inside the app
03Community & Living Archive
A public archive built by many hands
✦Map suggestion
Suggest new memory points
Residents, researchers, educators, and cultural collectives can suggest new historical landmarks, tangible and intangible heritage, or personal memories directly through the app.
✦Citizen collaboration
Photographs and archival records
Contribute historical photos, documents, and visual records that broaden official history, documenting the memory and transformations of the territory.
Transparent curationAll suggestions undergo collaborative verification and historical research before being featured on the official map.
Gnomon is not a static catalog: it is an open platform that evolves with the collective memory and agency of the community.
04Ratings
Places and tours in Gnomon can be reviewed using the ESG method
ESG
Evaluates sustainable practices, social impact, and cultural preservation.
Download Gnomon and start with your neighbourhood
Free, no ads and no background location data collection.