Best Open-source Document Databases tools

ArangoDB

Scalable multi-model database for graphs, documents, and key-values

RavenDB

High‑performance ACID‑compliant document database with developer‑first experience

MongoDB

Scalable, flexible document database for modern application development.

CouchDB

Reliable, multi-master JSON database with built-in replication

PoloDB

Rust‑powered embedded NoSQL database with MongoDB‑style API

OrientDB

Versatile multi-model NoSQL DBMS with native graph, document, and full-text support

SurrealDB

Unified database and API platform for real‑time modern apps

FerretDB

MongoDB‑compatible proxy that runs on PostgreSQL as a document database

RethinkDB

Scalable NoSQL database delivering real-time query updates