Open Source realtime backend in 1 file
H2 is an embeddable RDBMS written in Java
NoSQL embedded document store for Java
PoloDB is an embedded document database
Embedded Go Database, the fast alternative to SQLite, gorm, etc.
GlueSQL is quite sticky. It attaches to anywhere
C# .NET NOSQL ( key value store embedded ) ACID database
Document-oriented, embedded SQL database
Micro Graph Database for Python Applications
A bare-bones C# .NET Key-value Store in a single database file
A lightweight, lightning-fast, in-process vector database
A simple, fast and versatile Datalog database
Java and Android Database - fast and lightweight without any ORM
An Embedded NoSQL, Transactional Database Engine
A toolkit for SQLite databases
Scalable, fast, and disk-friendly vector search in Postgres
One of the fastest embeddable key-value ACID database
A reactive client store for building super fast apps
Couchbase Lite for Dart and Flutter
A fast, low memory, transactional, index, query enabled NoSQL database
Immutable database based on zero trust, SQL and Key-Value, tamperproof
Lightweight WASM Postgres with real-time, reactive bindings
A python NoSQL dictionary database, with concurrent access and ACID
ArcticDB is a high performance, serverless DataFrame database