
Transparency & Accountability Initiative Grants Database
Includes funding from Ford, Hewlett, Luminate, MacArthur, OpenSocietyFoundation, and Chandler foundations totaling over half a billion dollars
OpenAerialMap is an open service to provide access to a commons of openly licensed imagery and map layer services. Download or contribute imagery to the growing commons of openly licensed imagery. Start Exploring
OpenAerialMap creates a place for mappers to store and share their work with the rest of the community. Through this database, everyone has a go to point to start helping out, whether it's drone pilots in areas of crisis, or mappers who want to trace from home.


Includes funding from Ford, Hewlett, Luminate, MacArthur, OpenSocietyFoundation, and Chandler foundations totaling over half a billion dollars
MDS standardizes communication and data-sharing between cities and private mobility providers, such as e-scooter and bike-share companies.

Use this free tool from JustFix to research your building and investigate landlords! We use property ownership mapping to identify a landlord's portfolio

HXL is a different kind of data standard, designed to improve information sharing during a humanitarian crisis without adding extra reporting burdens.