An 'offline' reverse-geocoder API written in Go
I've recently been working with real-time geoJSON data at a rate of 50+ queries per second. SaaS solutions can be prohibitively expensive at this rate, thus, I created go-reverse-geo. Data is pulled from geonames.org and is stored in MongoDB (a requirement of my current project). It is very much a work-in-progress (I wrote it this morning). Hope someone finds it useful. https://paranoia.dev/vivi/go-reverse-geo
An 'offline' reverse-geocoder API written in Go launched on March 6, 2020 with 14 votes, #1,018 of 4,417 launches that month and more than 75% of that year's launches.
In plain words
Go-reverse-geo is an offline reverse-geocoding API built in Go that converts geographic coordinates into location names. It pulls data from geonames.org and stores it in MongoDB, designed to handle high-volume queries at 50+ per second without the cost of commercial SaaS solutions. The tool is intended for developers working with real-time geoJSON data who need a self-hosted alternative to expensive geocoding services.
written from the facts on this page · September 2026
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