A modern text/numeric/geo-spatial/vector indexing library for go
BuntDB is an embeddable, in-memory key/value database for Go with custom indexing and geospatial support
convert sql to elasticsearch DSL in golang(go)
A Go (golang) based Elasticsearch client library.
moss - a simple, fast, ordered, persistable, key-val storage library for golang
Go Open Source, Distributed, Simple and efficient Search Engine; Warning: This is V1 and beta version, because of big memory consume, and the V2 will be rewrite all code.