ExtremeDB Alternatives (September 2025)

The Oracle Berkeley DB family of open source, embeddable databases provides developers with fast, reliable, local persistence with zero administration. Often deployed as an 'edge' database, Oracle Berkeley DB provides very high performance, reliability, scalability, and availability for application use cases that do not require SQL

Our NoSQL Object Database manages data without the need for mapping code to store & retrieve objects in Java & C++ applications.

Toshiba GridDBâ„¢ is a highly scalable, in-memory NoSQL time series database optimized for IoT and Big Data.

High-speed & lightweight database solution which securly stores your data privatly on-device and syncs it seamless to millions of devices

HarperDB's global application platform simplifies development with one package that includes a lightning-fast database, embedded API server, and real-time global data replication. Deploy from cloud to edge to on-prem.

Manage all types of time series data in a single, purpose-built database. Optimized for speed in any environment in the cloud, on-premises, or at the edge.

VelocityDB is an easy to use, extremely high performance, scalable, embeddable and distributable object database system with indexes for C# .NET applications with a small footprint (~ 600KB).

QuestDB is the world's fastest growing open-source time-series database. It offers massive ingestion throughput, millisecond queries, powerful time-series SQL extensions, and scales well with minimal and maximal hardware. Save costs with better performance and efficiency.

RocksDB is an embeddable persistent key-value store for fast storage.

Get your ideas to market faster with a developer data platform built on the leading modern database. MongoDB makes working with data easy.

Real-time analytics database for instant aggregations and hybrid search. No more need for complex indexing strategies, everything is indexed automatically. Execute ad-hoc queries, perform hybrid search effortlessly, and boost developer productivity with native SQL.

MonetDB - MonetDB

Cloudera Operational Database is a cloud-native service that speeds up, automates, and simplifies the development and deployment of mission-critical applications.

NoSQL Database can be run in the cloud or on-premises for applications that require either flexible data models, workloads, demanding predictable, lighting fast access to data or easy to use APIs.

Aerospike provides organizations with a real-time, multi-model database that fits their needs to scale, manage cloud services, and reduce cost.

NCache is an extremely fast and scalable Open Source In-Memory Distributed Cache for .NET and Java that caches app data and stores Web Sessions in multi-server environments.

InterSystems IRIS is a database management system (DBMS) that makes it easier to build machine learning-enabled applications that connect data and application silos.

BangDB is an AI database platform with Graph and time-series data analysis. It is designed for modern use cases for edge computing

Make Big Data your biggest ally with SAP IQ software, our extreme-scale relational database management system (RDBMS).

ArangoDB is the leading multi-model database for high-performance applications. Try it now for flexible data modeling and efficient querying.

MariaDB provides enterprise open source database and cloud managed database services to support scalability, mission-critical deployments, and more.

Explore the world's fastest database and analytics platform. Data-driven organizations choose KX for faster, more confident decision making.

Rapidly design and deploy embedded database applications that run remotely on servers, laptops, handhelds, and smartphones with SAP SQL Anywhere relational database management system (RDBMS) solutions.

MongoDB Atlas is the only multi-cloud developer data platform that accelerates and simplifies how you build with data. Get started for free today!

High Performance Database

Exasol is leading the way in data technology with our in-memory database built for analytics. Learn how your data team can do more with Exasol.

Drive faster, more reliable online transaction processing (OLTP) for less with SAP Adaptive Server Enterprise. The high-performance SQL database server uses a relational model to power transaction-based application on premise or in the cloud.

Fauna combines the relational power, strong consistency, and schema capabilities of a relational database with the flexibility and scalability of documents, all delivered as a Cloud API with zero engineering operations.

Developers love Redis. Unlock the full potential of the Redis database with Redis Enterprise and start building blazing fast apps.

Firebolt is a complete redesign of the cloud data warehouse for the era of cloud and data lakes. Data warehousing with extreme speed & elasticity at scale.

Ensure fast, reliable databases with SQL Diagnostic Manager—identify, fix, and prevent issues instantly, saving time and optimizing admin efficiency.

Engineered to handle demanding workloads, like time series, vector, events, and analytics data. Built on PostgreSQL, with expert support at no extra charge.

IBM Informix is an embeddable, high-performance database for integrating SQL, NoSQL, JSON, time-series and spatial data. It is available as a managed service on IBM Cloud, as standalone software, and within IBM Cloud Pak for Data.

Experience the fastest path to graph with Neo4j. The most trusted, native graph database offers no compromise performance, reliability, and data integrity.

Designed for applications, analytics and AI, SingleStore is the world's only real-time data platform to read, write and reason on petabyte-scale data in a few milliseconds.

ScyllaDB is the distributed database for data-intensive apps that require high performance and low latency.

Percona Server for MongoDB is a free, enhanced, fully compatible MongoDB software alternative for MongoDB Community Server with enterprise-grade features.

SQLyog Ultimate is the best MySQL GUI for database developers. Compare and synchronize data, manage SQL queries, and keep your database safe.

An in-memory, distributed, NoSQL datastore solution that lets your applications access, process, and analyze data.

The only open source, AI-ready graph database that gives developers the tools to quickly build distributed applications at scale.

Simplify database design and exchange data seamlessly in distributed systems.

Datastore is a highly scalable NoSQL database for your web and mobile applications.

Build blazing fast search and AI applications in record time.

Bring AI-native applications to life with less hallucination, data leakage, and vendor lock-in

Couchbase is the NoSQL cloud database platform for business-critical and AI-powered applications. Uncompromised speed, versatility, affordability, and ease of use for building modern, AI-powered applications. ✓ Learn more.

IBM Db2 is the database to run your mission-critical workloads. Power low-latency transactions and real-time analytics across any cloud, hybrid or on-prem.

ScaleGrid makes it easy to deploy database hosting for MySQL™, PostgreSQL®, Redis®, MongoDB®, and, Greenplum Database® on every major cloud. Try it for free!

32/64-bit ODBC drivers for Windows, macOS and Linux to access Oracle, SQL Server, MySQL, PostgreSQL, Firebird, InterBase, SQLite, SQL Azure, Salesforce, ASE, SugarCRM, BigCommerce, QuickBooks Online, FreshBooks, Magento databases, and various clouds

IBM Storage Suite for IBM Cloud Paks delivers secure persistent storage resources for your Kubernetes and Red Hat OpenShift container environments.

DbVisualizer is the SQL Client and Database Tool with the highest user satisfaction. It connects to all popular databases and runs on Win, macOS & Linux.

Percona Server for MySQL is a free, fully compatible, open source MySQL Server alternative that offers breakthrough performance and scalability. Learn more!

Portworx is persistent storage for containers and databases. Operate data services for containers including persistent storage, HA, snapshots, backup, encryption and disaster recovery. Try today!

Autocomplete queries in the mongo shell, drag and drop, or even query with SQL. Try Studio 3T, your ultimate GUI for MongoDB.

Develop and deploy highscale AI-powered mobile and IoT apps with fully managed backend services.

GigaSpaces modernizes enterprise architectures to drive digital transformation with unparalleled speed, performance and scale.

The fastest way to set up Redis - a fully managed Redis database on major public cloud services.

Realtime distributed OLAP datastore

Huawei FusionCube HCI is a hyperconverged infrastructure solution that integrates computing, storage, network, and management. Discover it now!

Materialize's Cloud Operational Data Store offers real-time data insights for effective business operations & decision-making.

Freely run your open-source and proprietary database ops in cloud, on-premise, and hybrid environments at scale with our AI-driven automation solutions, CC or CCX.

Harness AI with Oracle Database 23ai to power app development and critical workloads, enhancing your data operations for free.

Solve your most complex data challenges and unlock more value with the MarkLogic data platform.

A new open source Apache Hadoop ecosystem project, Apache Kudu completes Hadoop's storage layer to enable fast analytics on fast data

Transform your business with the leading real-time analytics solution, trusted at scale, from the creators of Apache Pinot.

Aquafold’s Aqua Data Studio is the universal integrated development environment (IDE) for databases and visual analytics.

Modern, native client with intuitive GUI tools to create, access, query & edit multiple relational databases: MySQL, PostgreSQL, SQLite, Microsoft SQL Server, Amazon Redshift, MariaDB, CockroachDB, Vertica, and Redis.

GUI tools for MySQL and MariaDB database developers and administrators designed for database and data management, schema comparison and query building.

Progress OpenEdge application development solutions that are high performing, available and agile.

Easily develop rich applications using a fully managed, scalable, and serverless document database.

Baserow allows you to create databases and applications without code. Streamline your data management, collaborate in real-time, and scale with maximum flexibility. Self-host for unlimited rows and storage. Try for free today!

10 of Redgate's market-leading tools for database development and administration at a discounted rate - try them free for 14 days

Take instant action on your streaming data by combining stream processing and an ultra-fast data store in one unified platform. Get started!

Navicat Premium allows user to connect MySQL, Redis, MariaDB, MongoDB, SQL Server, SQLite, Oracle & PostgreSQL databases within a single application, includes data modeling feature.

Use advanced features of DBeaver PRO to explore, process, and administrate all possible SQL, NoSQL, and cloud data sources.

Amazon SimpleDB is a simple database storage solution that allows developers to simply store & query data items via web services requests, saving time.

Cloud Volumes ONTAP enables you to optimize your cloud storage costs and performance while enhancing data protection, security, and compliance.

Make better decisions faster with in-memory database management systems from SAP that optimize storage, compliance, and analytics..

Monitor the health of your open source database using Percona Monitoring and Management, our open source database monitoring tool, that offers real-time alerts, performance recommendations, and backup/restoration tools.

Amazon MemoryDB is a Redis OSS-compatible, durable, in-memory database service that delivers ultra-fast performance.

Active Query Builder. A Visual SQL Query Builder to add friendly ad-hoc querying module to your software.

Anyone can use Database Oasis to create completely custom databases for home or business. Designed for computer novices.

Persistent Disk is Google’s local durable storage service, fully integrated with Google Cloud products, Compute Engine and Google Kubernetes Engine.

Percona XtraBackup is a free, online, open source, comprehensive MySQL backup solution for all versions of Percona Server for MySQL and MySQL®. Learn more!

Amazon Relational Database Service (RDS) is a fully managed, open-source cloud database service that allows you to easily operate and scale your relational database of choice, including Amazon Aurora, PostgreSQL, SQL Server, and MySQL.

We provide networking solutions to power your business. Our flexible and scalable cloud networking services help optimize your network infrastructure.

AWS Database Migration Service (DMS) is a highly resilient, secure cloud service that provides database discovery, schema conversion, data migration, and ongoing replication to and from a wide range of databases and analytics systems.

Solve the complex challenges of database management across the DevOps lifecycle on any database, any platform, anywhere.

FHIR-based Healthcare Application Development. Advanced Interoperability. Unprecedented Speed. Massive Scale.

An ocean of simple, scalable cloud solutions.

Amazon DocumentDB is a fast, scalable, and highly available document database that is MongoDB compatible.

UniDAC provides a direct connection to various databases using Components for Delphi, C++Builder, Lazarus on Windows, macOS, Linux, iOS, Android. Free 60-day trial!

memcached

Easily manage and secure your data with dbFront, the intuitive front-end tool for SQL Server, Oracle, and MySQL databases. No coding required and dynamic adaptability to database changes. Start a free trial today to experience simplified database administration.

Securely manage your access and permissions to SQL, NoSQL, and Cloud databases with DBHawk, the all-in-one data platform by Datasparc.

Specialist Disaster Recovery software. Your standby database continually verified & available. No matter the threat, your business will survive.

Oxford Semantic Technologies is an AI and Knowledge Graph Tech start-up from Oxford University. RDFox is the rules-based AI and world’s most performant knowledge graph.

Collect, aggregate, and enrich real-time operations data for immediate problem-solving and easily deliver formatted data to enterprise applications and advanced analytics.

IBM Cloudant is a fully managed JSON document database that offers independent serverless scaling of provisioned throughput capacity and storage. Cloudant is compatible with Apache CouchDB and accessible through a simple to use HTTPS API for web, mobile, and IoT applications.

SQLite Data Access Components is a SQLite connectivity solution, which provides direct access to SQLite from Delphi.