Eclipse JNoSQL is a framework
NoSQL embedded document store for Java
Node.js client for Google Cloud Firestore: a NoSQL document database
An Embedded NoSQL, Transactional Database Engine
High performance NoSQL database based on bitcask
Type-safe NoSQL with Node & SQLite
Lightweight, embedded, syncable NoSQL database engine for iOS and Mac
Universal HTAP Engine
Couchbase Lite for Dart and Flutter
ReplicaDB is open source tool for database replication
Node.js client for Google Cloud Datastore
Cloud Database Manager
A bare-bones C# .NET Key-value Store in a single database file
Data Access PHP Framework for SQL & high-latency databases
C# .NET NOSQL ( key value store embedded ) ACID database
The MongoDB Database
A fast, low memory, transactional, index, query enabled NoSQL database
Data mapping and persistence toolkit for Ruby
Universal command-line interface for SQL databases
JavaScript SQL database for browser and Node.js for relational tables
Common interface to CouchDB or CouchDB-like databases for Go
CrateDB is a distributed and scalable SQL database
ACID Document Database
PoloDB is an embedded document database
Java and Android Database - fast and lightweight without any ORM