Trendora

OpenHistoricalMap

Assess

Platforms

A collaborative platform for mapping historical geographic data.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by open-source activity, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

  • 4Hacker News·8/26/2026open_source
    OldInsuranceMaps.net joins OSM US Charter Projects

    OldInsuranceMaps.net has been designated an OSM US Charter Project, giving the historical mapping platform a long-term home within the OpenStreetMap ecosystem. The site hosts more than 1,200 georeferenced Sanborn insurance maps and supports collaborative historical mapping, research, and open historical data workflows.