Best Database Software in 2026 · page 3

kdb+

kdb+ is a time-series database and analytics engine built around the q vector language.

H2 Database Engine

H2 Database Engine is a free SQL database written in Java.

DigitalOcean Managed Databases

DigitalOcean Managed Databases is a paid cloud service for running managed database clusters without manually installing, configuring, maintaining,…

Milvus

Milvus is a free, open-source vector database for GenAI applications, developed by Zilliz.

Apache AsterixDB

Apache AsterixDB is a free, open-source Big Data Management System for ingesting, storing, indexing, querying and analyzing data.

IBM Cloudant

Apache Pinot

Apache Pinot is an open-source distributed OLAP datastore for real-time analytics and user-facing workloads.

Amazon Keyspaces

Amazon Keyspaces is a managed database service compatible with Apache Cassandra.

Couchbase Lite

Couchbase Lite embeds a NoSQL database in applications so they can store and work with data locally, including when a network is unavailable.

Amazon Neptune

FoundationDB

FoundationDB is a free, open-source distributed database that stores structured data as an ordered key-value store across clusters of commodity servers.

Valkey

Valkey is an open-source key/value datastore for caching, message queues, and use as a primary database.

IBM Informix

TimescaleDB

Oracle Database

Oracle Database is a database platform built around a converged engine that supports multiple data models and workloads.

Apache Doris

Apache Doris is an open-source, real-time analytical database for analytics and AI, available under the Apache License, Version 2.0.

StarRocks

StarRocks is a free, self-hosted analytical database for workloads such as multidimensional OLAP, ad hoc queries, and real-time, high-concurrency analytics.

SAP MaxDB

ALTIBASE

ALTIBASE is a relational database engine that combines in-memory and on-disk storage.

LanceDB

LanceDB is an AI-native multimodal lakehouse for developing training datasets.

Dgraph

GreyCat

Tarantool DB

Tarantool DB is paid, self-hosted NoSQL in-memory database software for high-load business systems and real-time digital services.

SAP Master Data Governance