Best Object-Oriented Databases

How Many Object-Oriented Databases Products Does G2 Track?

Total Products under this Category: 25

Category Stats (Sep 2026)

  • Average Rating: 4.18/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: InterSystems IRIS (+0.35%) - Among all products in this category, InterSystems IRIS recorded the largest rating increase compared to last month

Last updated: September 08, 2026

How Does G2 Rank Object-Oriented Databases Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 900+ Authentic Reviews
  • 25+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Object-Oriented Databases

G2 Grid® for Object-Oriented Databases plotting products by satisfaction and market presence

Highlighted products: InterSystems IRIS, Google Cloud Storage for Firebase, IBM Db2, Apache OODT, Entity Developer, and dBASE 2019.

Underlying data: [Grid® JSON](https://www.g2.com/categories/object-oriented-databases/grids.json?focus%5B%5D=intersystems-iris&focus%5B%5D=google-cloud-storage-for-firebase&focus%5B%5D=ibm-db2&focus%5B%5D=apache-oodt&focus%5B%5D=devart-entity-developer&focus%5B%5D=dbase-2019)

InterSystems IRIS

InterSystems IRIS is a complete cloud-first data platform that includes a multi-model transactional data management engine, an application development platform, and interoperability engine, and an open analytics platform. It is the next generation of our proven data management software.It includes the capabilities of InterSystems Cache and Ensemble, plus a wealth of exciting new capabilities to make it easy to build and deploy cloud based, analytics-intensive enterprise applications with even greater performance and scalability. InterSystems IRIS provides a set of APIs to operate with transactional persistent data simultaneously: key-value, relational, object, document, multidimensional. Data can be managed by SQL, Java, node.js, .NET, C++, Python, and native server-side ObjectScript language. InterSystems IRIS includes an Interoperability engine and modules to build AI solutions. InterSystems IRIS provides features for horizontal scalability (sharding, ECP) and provides High Availability features, Business intelligence, transaction support, and backup.

Average Rating: 4.6/5.0

Total Reviews: 60

How Do G2 Users Rate InterSystems IRIS?

  • Has the product been a good partner in doing business?: 8.8/10 (Category avg: 8.7/10)
  • Ease of Use: 7.9/10 (Category avg: 8.5/10)
  • Quality of Support: 8.7/10 (Category avg: 8.2/10)
  • Ease of Admin: 7.9/10 (Category avg: 8.3/10)

Who Is the Company Behind InterSystems IRIS?

  • Seller: InterSystems
  • Year Founded: 1978
  • HQ Location: Cambridge, MA
  • Twitter: @InterSystems
    61,310 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2,151 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Software, Hospital & Health Care
  • Company Size: 47% Small, 31% Medium

What Do G2 Reviewers Say About InterSystems IRIS?

AI-generated summary from verified user reviews

Pros
  • Users value the powerful features and flexibility of InterSystems IRIS, enhancing overall performance and user experience.
  • Users find InterSystems IRIS to be very easy to use, with a clean interface and helpful documentation.
  • Users commend the excellent performance and resource efficiency of InterSystems IRIS, enhancing reliability and speed in data handling.
  • Users praise the excellent customer support from InterSystems IRIS, appreciating timely responses and helpful assistance.
  • Users value the easy integrations of InterSystems IRIS, enabling seamless connectivity with various systems and flexibility.
Cons
  • Users find the difficult learning curve of InterSystems IRIS challenging, particularly for those new to the platform.
  • Users note that IRIS is not cheap, with licensing costs and hardware requirements posing challenges for smaller projects.
  • Users find the insufficient documentation for advanced scenarios complicates learning and effective use of InterSystems IRIS.
  • Users find the learning curve steep, particularly with advanced features and complex configurations, which can hinder initial experiences.
  • Users find the poor documentation for advanced scenarios challenging, making it hard to navigate complex features.

What Are Recent G2 Reviews of InterSystems IRIS?

What Are G2 Users Discussing About InterSystems IRIS?

Google Cloud Storage for Firebase

Cloud Storage for Firebase is a robust and cost-effective object storage service designed to store and serve user-generated content such as images, audio files, and videos. Built on Google's scalable infrastructure, it enables developers to seamlessly transition from prototype to production, handling applications of any size with ease. The service integrates with Firebase Authentication, providing intuitive access control and ensuring secure file operations. Additionally, it offers automatic scaling through Cloud Functions, eliminating the need for manual server management and allowing developers to focus on building feature-rich applications. Key Features and Functionality: - Scalable Infrastructure: Leverages Google's infrastructure to support applications as they grow, ensuring consistent performance even during high traffic periods. - Automatic Scaling with Cloud Functions: Automatically adjusts computing resources to match app usage patterns, removing the need for manual server management. - Strong User-Based Security: Integrates with Firebase Authentication to provide simple and intuitive access control based on user identity and file properties. - Robust File Operations: Ensures reliable uploads and downloads, even in varying network conditions, by resuming operations from where they left off. Primary Value and User Solutions: Cloud Storage for Firebase addresses the challenges of storing and serving user-generated content by offering a scalable, secure, and easy-to-integrate solution. It simplifies backend infrastructure management, allowing developers to focus on creating engaging user experiences without worrying about server provisioning or maintenance. The integration with Firebase Authentication enhances security, ensuring that only authorized users can access specific content. By providing automatic scaling and robust file operations, it ensures that applications remain responsive and reliable, regardless of user demand or network quality.

Average Rating: 4.3/5.0

Total Reviews: 22

How Do G2 Users Rate Google Cloud Storage for Firebase?

  • Has the product been a good partner in doing business?: 9.3/10 (Category avg: 8.7/10)
  • Ease of Use: 9.5/10 (Category avg: 8.5/10)
  • Quality of Support: 8.5/10 (Category avg: 8.2/10)
  • Ease of Admin: 9.0/10 (Category avg: 8.3/10)

Who Is the Company Behind Google Cloud Storage for Firebase?

  • Seller: Google
  • Year Founded: 1998
  • HQ Location: Mountain View, CA
  • Twitter: @google
    31,899,995 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    301,144 employees on LinkedIn®
  • Ownership: NASDAQ:GOOG

Who Uses This Product?

  • Top Industries: Computer Software
  • Company Size: 68% Small, 27% Medium

What Are Recent G2 Reviews of Google Cloud Storage for Firebase?

What Are G2 Users Discussing About Google Cloud Storage for Firebase?

IBM Db2

Built to run the world’s mission-critical workloads. Designed by the world’s leading database experts, IBM Db2 empowers developers, enterprise architects, and data engineers to run low-latency transactions and real-time analytics equipped for the most demanding workloads. From microservices to AI workloads, Db2 is the tested, resilient, and hybrid database providing the extreme availability, built-in refined security, effortless scalability, and intelligent automation for systems that run the world.

Average Rating: 4.1/5.0

Total Reviews: 600

How Do G2 Users Rate IBM Db2?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Ease of Use: 8.0/10 (Category avg: 8.5/10)
  • Quality of Support: 8.1/10 (Category avg: 8.2/10)
  • Ease of Admin: 7.7/10 (Category avg: 8.3/10)

Who Is the Company Behind IBM Db2?

  • Seller: IBM
  • Year Founded: 1911
  • HQ Location: Armonk, New York, United States
  • Twitter: @IBMSecurity
    74,660 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    344,328 employees on LinkedIn®
  • Ownership: SWX:IBM

Who Uses This Product?

  • Who Uses This: Senior Software Engineer, Software Engineer
  • Top Industries: Information Technology and Services, Banking
  • Company Size: 66% Large, 21% Medium

What Do G2 Reviewers Say About IBM Db2?

AI-generated summary from verified user reviews

Pros
  • Users highlight the high performance of IBM Db2, appreciating its reliability and efficiency in managing large datasets.
  • Users praise IBM Db2 for its exceptional reliability, consistently delivering strong performance even under heavy workloads.
  • Users find IBM Db2 to be easy to use and integrate, enhancing daily tasks and overall efficiency.
  • Users commend the scalability of IBM Db2, ensuring excellent performance even with large datasets and enterprise workloads.
  • Users value the high availability of IBM Db2, ensuring seamless access to data even during outages.
Cons
  • Users express concern over feature limitations in IBM Db2, desiring quicker updates and improved management tools.
  • Users find IBM Db2's setup complex, facing high costs and limited documentation that complicate the user experience.
  • Users often find the complex setup of IBM Db2 challenging, requiring significant time and effort to manage effectively.
  • Users find the difficult setup of IBM Db2 challenging, often leading to frustration during initial configuration and administration.
  • Users feel that the expertise required for IBM Db2 makes it harder to find skilled specialists and implement new features.

What Are Recent G2 Reviews of IBM Db2?

What Are G2 Users Discussing About IBM Db2?

Entity Developer

Entity Developer is a powerful ORM designer for ADO.NET Entity Framework, NHibernate, LinqConnect, Telerik Data Access, and LINQ to SQL. It introduces new approaches for designing ORM models, boosts productivity, and facilitates the development of database applications.

Average Rating: 4.5/5.0

Total Reviews: 13

How Do G2 Users Rate Entity Developer?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Ease of Use: 8.9/10 (Category avg: 8.5/10)
  • Quality of Support: 8.2/10 (Category avg: 8.2/10)
  • Ease of Admin: 7.8/10 (Category avg: 8.3/10)

Who Is the Company Behind Entity Developer?

  • Seller: Devart
  • Year Founded: 1997
  • HQ Location: Wilmington, Delaware, USA
  • Twitter: @DevartSoftware
    1,736 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    251 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services
  • Company Size: 38% Large, 31% Medium

What Are Recent G2 Reviews of Entity Developer?

Apache OODT

Apache Object Oriented Data Technology (OODT) is the smart way to integrate and archive your processes, your data, and its metadata. OODT allows you to Generate Data,Process Data,Manage Your Data,Distribute Your Data,Analyze Your Data .

Average Rating: 4.2/5.0

Total Reviews: 10

How Do G2 Users Rate Apache OODT?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Ease of Use: 7.5/10 (Category avg: 8.5/10)
  • Quality of Support: 8.5/10 (Category avg: 8.2/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.3/10)

Who Is the Company Behind Apache OODT?

Who Uses This Product?

  • Company Size: 50% Small, 40% Medium

What Are Recent G2 Reviews of Apache OODT?

What Are G2 Users Discussing About Apache OODT?

dBASE 2019

dBASE 2019 is the most powerful and easy-to-use database development tool on the market. It offers a wide range of features that make it ideal for both experienced developers and beginners. Here are just a few of the things that make dBASE 2019 so great: A powerful IDE: The dBASE IDE is one of the most powerful and easy-to-use IDEs available. It features a syntax-highlighting editor, a powerful debugger, and a wide range of tools to help you develop your database applications. A comprehensive language: dBASE 2019 supports a comprehensive language that makes it easy to write complex database applications. A wide range of features: dBASE 2019 includes a wide range of features that make it ideal for a variety of database development tasks. These features include support for multiple data sources, a powerful query builder, and a wide range of reporting tools. If you're looking for a powerful and easy-to-use database development tool, then dBASE 2019 is the perfect choice for you.

Average Rating: 4.1/5.0

Total Reviews: 10

How Do G2 Users Rate dBASE 2019?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Ease of Use: 7.3/10 (Category avg: 8.5/10)
  • Quality of Support: 8.1/10 (Category avg: 8.2/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.3/10)

Who Is the Company Behind dBASE 2019?

  • Seller: dBase
  • Year Founded: 2012
  • HQ Location: Binghamton, NY
  • Twitter: @dBaseLLC
    127 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 70% Small, 20% Large

What Are Recent G2 Reviews of dBASE 2019?

ObjectBox

ObjectBox enables app developers to devote their valuable time to what makes their apps stand out and not on storing and retrieving data.

Average Rating: 4.5/5.0

Total Reviews: 7

How Do G2 Users Rate ObjectBox?

  • Ease of Use: 9.0/10 (Category avg: 8.5/10)
  • Quality of Support: 7.5/10 (Category avg: 8.2/10)

Who Is the Company Behind ObjectBox?

  • Seller: ObjectBox
  • Year Founded: 2015
  • HQ Location: Berlin, DE
  • Twitter: @ObjectBox_io
    1,012 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 75% Small, 13% Medium

What Are Recent G2 Reviews of ObjectBox?

GigaSpaces

GigaSpaces helps enterprises apply AI to real-time, structured operational data, enabling spontaneous, natural language conversations that accelerate decision-making, improve agility in unexpected situations, and surface opportunities and risks in everyday business. With over two decades of experience powering mission-critical systems, GigaSpaces is a pioneer in real-time data technology and a trusted foundation for data-driven services across industries, including finance, travel, telecom, and insurance. Headquartered in the US, with offices in Europe and Israel, GigaSpaces helps organizations turn operational data into decisions that are timely, secure, and scalable. The GigaSpaces Portfolio delivers the fastest, scalable and easiest to deploy, suite of software platforms to meet the most challenging enterprise data requirements. Numerous Tier-1 and Fortune-listed organizations and OEMs across financial services, retail, transportation, telecom, healthcare, and more trust GigaSpaces to power their mission critical services to optimize business operations, adhere to regulatory compliance and enhance customer experience. Our offices are located in the US, Europe and Israel with partners around the globe; serving customers such as Morgan Stanley, Bank of America, CSX, Société Générale, Crédit Agricole, Avanza Bank, Avaya, CLSA, and Groupe PSA.

Average Rating: 4.6/5.0

Total Reviews: 11

How Do G2 Users Rate GigaSpaces?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Ease of Use: 8.3/10 (Category avg: 8.5/10)
  • Quality of Support: 8.3/10 (Category avg: 8.2/10)
  • Ease of Admin: 7.5/10 (Category avg: 8.3/10)

Who Is the Company Behind GigaSpaces?

  • Seller: Gigaspaces
  • Year Founded: 2000
  • HQ Location: New York City, NY, USA
  • Twitter: @GigaSpaces
    2,772 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    114 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 36% Medium

What Are Recent G2 Reviews of GigaSpaces?

What Are G2 Users Discussing About GigaSpaces?

Objectivity/DB

Objectivity/DB, the company’s flagship product and patented object orientated database technology, enables customers to maximize existing infrastructure to capture information needed to address evolving, complex, analytic requirements within Big Data.

Average Rating: 4.0/5.0

Total Reviews: 6

How Do G2 Users Rate Objectivity/DB?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Ease of Use: 9.7/10 (Category avg: 8.5/10)
  • Quality of Support: 9.3/10 (Category avg: 8.2/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.3/10)

Who Is the Company Behind Objectivity/DB?

  • Seller: Objectivity
  • Year Founded: 1988
  • HQ Location: San Jose, US
  • Twitter: @objectivitydb
    1,888 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    21 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Small, 33% Medium

What Are Recent G2 Reviews of Objectivity/DB?

What Are G2 Users Discussing About Objectivity/DB?

namucloud myPC

One of the best proxy services with more than 2,003,349 IP's

Average Rating: 3.4/5.0

Total Reviews: 4

How Do G2 Users Rate namucloud myPC?

  • Has the product been a good partner in doing business?: 6.7/10 (Category avg: 8.7/10)
  • Ease of Use: 7.1/10 (Category avg: 8.5/10)
  • Quality of Support: 5.0/10 (Category avg: 8.2/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.3/10)

Who Is the Company Behind namucloud myPC?

  • Seller: Lprint
  • Year Founded: 2014
  • HQ Location: Kaunas, LT
  • LinkedIn® Page: www.linkedin.com
    4 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small, 25% Medium

What Are Recent G2 Reviews of namucloud myPC?

What Are G2 Users Discussing About namucloud myPC?

VelocityDB

VelocityDB offers database systems that are easy to use and leave little footprint.

Average Rating: 4.6/5.0

Total Reviews: 4

How Do G2 Users Rate VelocityDB?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Ease of Use: 7.9/10 (Category avg: 8.5/10)
  • Quality of Support: 7.9/10 (Category avg: 8.2/10)
  • Ease of Admin: 7.5/10 (Category avg: 8.3/10)

Who Is the Company Behind VelocityDB?

Who Uses This Product?

  • Company Size: 50% Medium, 25% Large

What Are Recent G2 Reviews of VelocityDB?

What Are G2 Users Discussing About VelocityDB?

Apache Torque

Apache Torque is an object-relational mapper for java. In other words, Torque lets you access and manipulate data in a relational database using java objects.

Average Rating: 4.3/5.0

Total Reviews: 3

How Do G2 Users Rate Apache Torque?

  • Ease of Use: 7.5/10 (Category avg: 8.5/10)
  • Quality of Support: 7.5/10 (Category avg: 8.2/10)

Who Is the Company Behind Apache Torque?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Apache Torque?

What Are G2 Users Discussing About Apache Torque?

ObjectStore

ObjectStore is an object-oriented database development platform for creating high-performance applications that run at in-memory speeds.

Average Rating: 4.5/5.0

Total Reviews: 3

How Do G2 Users Rate ObjectStore?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Ease of Use: 10.0/10 (Category avg: 8.5/10)
  • Quality of Support: 10.0/10 (Category avg: 8.2/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.3/10)

Who Is the Company Behind ObjectStore?

Who Uses This Product?

  • Company Size: 33% Large, 33% Small

What Are Recent G2 Reviews of ObjectStore?

What Are G2 Users Discussing About ObjectStore?

Actian NoSQL

Actian NoSQL Object Oriented Database can be customized for your application architecture and production environment based on the particular requirements.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate Actian NoSQL?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Ease of Use: 9.2/10 (Category avg: 8.5/10)
  • Quality of Support: 9.2/10 (Category avg: 8.2/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.3/10)

Who Is the Company Behind Actian NoSQL?

  • Seller: Actian Corporation
  • Year Founded: 1980
  • HQ Location: Palo Alto, CA
  • Twitter: @ActianCorp
    2,864 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    561 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Small

What Are Recent G2 Reviews of Actian NoSQL?

What Are G2 Users Discussing About Actian NoSQL?

Valentina

Paradigma Software makes the visual db & reports manager Valentina Studio Pro, Valentina DB and object-relational Valentina Server.

Average Rating: 3.5/5.0

Total Reviews: 2

How Do G2 Users Rate Valentina?

  • Ease of Use: 9.2/10 (Category avg: 8.5/10)
  • Quality of Support: 10.0/10 (Category avg: 8.2/10)

Who Is the Company Behind Valentina?

  • Seller: Paradigma Software
  • Year Founded: 1998
  • HQ Location: Beaverton, US
  • Twitter: @paradigmasoft
    339 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    7 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of Valentina?

Shalaka Joshi
SJ
Researched and written by Shalaka Joshi
Updated October 3, 2024