RocksDB - is an embeddable persistent key-value store for fast storage
LevelDB - is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
Pebble - is a LevelDB/RocksDB inspired key-value store focused on performance and internal usage by CockroachDB.
NutsDB - is a simple, fast, embeddable and persistent key/value store written in pure Go.
GraphQL - is a query language for APIs and a runtime for fulfilling those queries with your existing data.
JSON Merge Patch - specification defines the JSON merge patch format and processing
rules. The merge patch format is primarily intended for use with the
HTTP PATCH method as a means of describing a set of modifications to
a target resource's content.
JSON Patch - is a format for describing changes to a JSON document. It can be used to avoid sending a whole document when only a part has changed. When used in combination with the HTTP PATCH method, it allows partial updates for HTTP APIs in a standards compliant way.
JSON Pointer - defines a string syntax for identifying a specific value
within a JavaScript Object Notation (JSON) document.