196 (<1)
gofence — Geofence written in go
Similar geofence
4904 (<1)
tile38 1.13.0 — Tile38 is a geospatial database, spatial index, and realtime geofence. It supports a variety of object types including lat/lon points, bounding boxes, XYZ tiles, Geohashes, and GeoJSON.
Similar Geo geofence

Some additional repos to consider:
go-geofence — An efficient Golang implementation to determine whether a point is inside a polygon.

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