HOT is a global community of mappers transforming lives using the power of open map data
HOT featured in Freethink media
Millions of people live in unmapped regions around the globe. Here’s why it’s critically important to close map data gaps.

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State of the Map 2024
State of the Map, the annual event for all mappers and OpenStreetMap users will be taking place in Nairobi, Kenya.

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Our response to Porto Alegre
Our efforts around the Porto Alegre crisis helped enhance disaster response efficiency, aiding local authorities and relief organizations to respond effectively.

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OpenStreetMap users in HOT's priority regions

Our Work


Highlighted Programs

HOT implements a range of impactful programs that leverage open map data to address humanitarian challenges globally. Working in 94 countries, we collaborate with local communities, governments, and organizations to create and maintain detailed, accessible maps that aid local communities, NGOs, and governments in making informed decisions and improving lives.

Impact Areas

HOT works to solve local challenges that are global in scale and contribute to the achievement of the Sustainable Development Goals (SDGs). We work in five core impact areas, and by driving efforts in these key areas work towards our mission to improve well-being, reduce suffering, and increase resilience for people who are systematically underrepresented in countries at high risk of disaster, humanitarian emergency and multidimensional poverty, through making and using open map data.

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Disaster Response

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Climate Resilience & Sustainability

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Public Health

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Displacement & Safe Migration

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Gender Equality

Disaster Response

Map data provides government agencies and first responders with critical information to take more informed and locally appropriate action when a disaster or humanitarian crisis hits. The rising impact and scale of humanitarian emergencies on vulnerable populations make the demand for data-driven disaster response even more pressing. As communities and organizations work towards a more resilient future, open map data is critical to understanding populations at risk and enabling the planning of anticipatory actions to enhance emergency preparedness and accelerate relief efforts.

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Climate Resilience & Sustainability

Open mapping supports strategies to mitigate potential climate impacts, enhance community preparedness, and ensure that communities grow in environmentally sustainable ways. Through mapping climate hazards and realities in the communities, local players can contribute towards finding sustainable solutions by filling in data gaps and contributing to long-term community resilience and development. Open mapping helps co-develop solutions and responses, which enables humanitarian, development, and community organizations to take more informed and locally appropriate action.

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Public Health

Map data is invaluable for developing policies to address health disparities, enhance equitable health access, and evaluate the effectiveness of public health programs. When communities actively participate in mapping their own areas, they create detailed maps that help identify gaps and help plan targeted and effective health interventions. Community mapping fosters local ownership and ensures that the data reflects the real needs and realities of the population, ultimately improving the health and well-being of communities globally.

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Displacement & Safe Migration

Conflict, persecution, violence, and natural disasters have caused a record 100 million people worldwide to be displaced (UNHCR May 2022). Humanitarian organizations and governments require accurate geospatial data to locate and understand the needs of displaced communities, identify potential risks, enable better coordination and resource allocation, and ensure that assistance reaches those who need it most. Open mapping helps us co-develop understanding together, which enables humanitarian, development, and community organizations to take more informed and locally appropriate action.

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Gender Equality

By identifying and addressing gender-specific gaps, open maps provide a more nuanced understanding of how resources, services, and vulnerabilities are distributed across different genders within communities, ensuring an inclusive approach and community ownership in the open mapping process. HOT is committed to fostering inclusivity, and by involving women in mapping initiatives we ensure women and girls prioritize their needs, enabling targeted and effective interventions to promote gender equity and inclusion.

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HOT works around the globe to support the use of OpenStreetMap by local communities and help build a local open mapping movement.

HOT works across sectors to provide map data that revolutionizes disaster management, reduces risks, and contributes to the achievement of the Sustainable Development Goals.

Open Mapping Hubs


HOT works through four regional Hubs to support and scale OpenStreetMap communities around the world. Regional Hubs leverage local expertise and resources to create and sustain the open mapping movement. Hubs have a pivotal role in facilitating localized mapping efforts and serve as a vital connection between local communities, NGOs, governments, and international aid organizations, ensuring that mapping initiatives are tailored to regional needs and priorities.

Learn more about the Open Mapping Hubs

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Asia-Pacific

Empowering the Asia-Pacific through Open Mapping

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Eastern & Southern Africa

Advancing community development and humanitarian response through open mapping solutions.

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West & Northern Africa

The WNA Hub engages with open mapping organizations and communities to facilitate the exchange of ideas and expertise across the region.

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Latin America and the Caribbean

Enabling resilient communities through social impact mapping in Latin America and the Caribbean.

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Ready to get started creating and using open data?

At HOT, we use a combination of open mapping tools developed by the open-source community to create, access, manage, analyze, and share open map data that serves our partners and local communities. All of these tools and resources are freely available for you to use.

Anyone can get involved in open mapping with HOT!

Open mapping helps solve many problems around the world, and the mapping community welcomes you. Join us in making a difference!

Your support helps us create impactful change in our community.

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