LBS

• Standard

• DB

  • PostGIS for PostgreSQL

  • GeoCouch for CouchDB

• GeoIP2

• Solr

• AMAQ

• Tencent

Standard

http://www.opengeospatial.org/

The GeoJSON Format: https://tools.ietf.org/html/rfc7946

DB

PostGIS for PostgreSQL

http://postgis.refractions.net/

GeoCouch for CouchDB

https://github.com/couchbase/geocouch/

GeoIP2

https://dev.maxmind.com/geoip/geoip2/downloadable/

Solr

https://wiki.apache.org/solr/SpatialSearch

AMAQ

https://lbs.amap.com/faq/top/notice/flowlevel

Tencent

http://lbs.qq.com/webservice_v1/guide-search.html http://lbs.qq.com/webservice_v1/guide-suggestion.html