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The HOT community is made up of volunteers, local community leaders, and professionals committed to the mission of helping reach those in need through maps. This diverse group includes dedicated voting members, staff, contractors, volunteers, interns, and board members. Read more about different community members or learn more about becoming a part of the community.

HOT OpenSummit '23-24

HOT’s OpenSummit ‘23-24 is ON!

Get ready for a year of global events that focus on collective action within the humanitarian open mapping community.

With the success of the unSummit, and with a little bit of rebranding, we are very excited to launch this year’s HOT OpenSummit ‘23-24 and open our call for collaborations so more communities and organizations around the world bring their events as part of this global movement.

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Financials and Organization

HOT is a global not-for-profit organization registered in the United States of America.

As part of our obligations as a 501(c)3 registered organization, we make our financial filings (known as “Form 990: Return of Organization Exempt From Income Tax”) available for public inspection. HOT’s 2012 - 2021 returns are posted below. Any further questions can be directed to the Board of Directors, specifically the Treasurer.

Access older financial reports and organization bylaws in our archive here.

Download 2021 990 PDF
2022-23 Annual Report

Each year we publish an annual impact report to recap projects and share updates from the community. We cover stories from our projects and share data about the successes and impact of the community.

Download our latest annual report below. Access our annual report archive here.

Access 2022-23 Annual Report