Foursquare is a geospatial technology company that turns the physical world into structured, privacy-minded location data. Once known for the check-in app that helped popularize mobile location sharing, the company reinvented itself as an independent location-intelligence platform. Its products - Places, Movement SDK, Studio, and the Graph - supply a database of 120+ million points of interest and movement signals that power maps, marketing, analytics, and app features for companies including Apple, Uber, Snapchat, and Spotify.
Tolemi is a Boston-based govtech company whose flagship platform, BuildingBlocks, stitches together scattered municipal data - property records, ownership, code violations, tax liens - into a single map-based interface. State and local governments use it to run spatial analysis, spot problem properties, and make faster, data-driven decisions about housing, land use, and neighborhood revitalization. Formerly OpportunitySpace, the company rebranded to Tolemi after Y Combinator and today serves cities from New York to small towns across the U.S.