Bstore is an in-process database with serializable transactions supporting referential/unique/nonzero constraints, (multikey) indices, automatic schema management based on Go types and struct tags, and a query API.
Documentation:
https://pkg.go.dev/github.com/mjl-/bstore
MIT-licensed
Written by Mechiel Lukkien, mechiel@ueber.net. Feedback/bug reports/patches welcome.