491K
Total Mappersⓘ Total number of Mappers using HOT Tasking Manager - as of May 2024
260M
Total Map Editsⓘ Total number of edits mapped using HOT Tasking Manager - as of May 2024
156.4M
Buildings Mappedⓘ Total number of buildings mapped using HOT Tasking Manager - as of May 2024
3.4M
Roads Mapped (KM)ⓘ Total length of roads mapped using HOT Tasking Manager - as of May 2024
Updates
I Joined HOT, Now What? A Roadmap for Tech Contributors
Community -in the broadest sense of the word- is a crucial component of the work we do at HOT. Since its formalization as an...
OpenAerialMap v2: Faster, Better Imagery Access for Humanitarian Mapping
OpenAerialMap is evolving to provide faster, more reliable access to satellite and drone imagery for humanitarian mapping. With a new STAC-based infrastructure and modern tools, HOT and Development Seed are rebuilding OAM to meet today’s urgent mapping needs. Discover how this upgrade will improve interoperability, speed, and usability for disaster response and recovery efforts.
Collaborating and Reaching Greater Impact in Emergency Response
Help.NGO and HOT collaborated to strengthen emergency response efforts through drone technology and open mapping. From hurricane recovery in Acapulco to forest fire assessments in Ucayali, their partnership accelerates access to critical post-disaster imagery. These joint actions enable rapid damage assessment, informed decision-making, and more effective humanitarian coordination.
Our Impact
HOT's work is global in scale and contributes to the achievement of the Sustainable Development Goals (SDGs). Our Monitoring and Evaluation framework is constantly evolving to ensure tangible and measurable impact. Check out our core impact areas and learn more about where we're making a difference.
Tools & Data
Access free, open source tools for community mapping. Export data from OpenStreetMap for humanitarian and development programs.
View the tools
Community & Events
Learn about the community and the latest events — especially about the Open Summit 2023, a decentralized, year-long program of 13 global, regional, and local conferences.
Learn more
Partnerships
Want to know more about ways you can partner with HOT? Start creating and supporting the #GlobalGoals with free, open map data through becoming a partner.
Become a partner
