An open-source geospatial object engine in Rust + WebAssembly for indexing moving points and defining geofences.
latlng
An open-source geospatial object engine in Rust + WebAssembly for indexing moving points and defining geofences.
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What it does
latlng provides a powerful open-source spatial database built in Rust, designed for managing "things that move." It offers R-tree spatial indexing, allows defining geofences as code, and streams real-time geofence events via durable webhooks. The engine supports various transports and can run natively or directly in the browser using WebAssembly, enabling local-first map applications.
Who it helps
Backend and frontend developers, engineering teams, and companies building location-aware applications, IoT platforms, or real-time geospatial services.
Why it's interesting
latlng stands out by bringing a high-performance Rust core to both native and browser environments via WebAssembly, offering a unique solution for local-first geospatial applications. Its "geofencing as code" and durable eventing features address complex real-time location needs, providing a robust, open-source foundation for innovative services.
Card stats
AI-assisted scores estimated from public website information only.
FounderDeck estimate
Medium confidenceThis FounderDeck estimate of $750,000 reflects latlng's highly polished, open-source developer tool with a clear painkiller use case in real-time geospatial data. The robust Rust + WebAssembly architecture, specific features like geofencing as code, and browser-native capabilities demonstrate significant technical achievement and market potential. The estimate is not higher due to the lack of explicit monetization strategy or public traction metrics on the current page.
Valuation date: 2026-06-05. Estimate generated from public signals.
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