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
Mapping Youth Mental Health Services in Kenya for International Youth Day 2025
In celebration of International Youth Day 2025 under the theme 'Youth Advancing Multilateral Cooperation Through Technology and Partnerships', we would like the youth contributors in Kenya to lead a community mapping initiative focused on youth-friendly mental health services.
Mapping for Equity: Voices from Dhaka’s Informal Settlements
Discover how community-led open mapping is transforming lives in Dhaka’s informal settlements. Brazil Singh shares powerful insights from the Dhaka Thrive Project, where data becomes a tool for justice, resilience, and local enhancement.
En la primera línea de la crisis climática: un viaje a la Amazonía Boliviana
En Sapecho, Bolivia, comunidades indígenas, guardaparques y bomberos se unen en un taller de mapeo abierto para prevenir incendios y gestionar el territorio con tecnología humanitaria.
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
