Best Object-Oriented Databases - Page 2

How Many Object-Oriented Databases Products Does G2 Track?

Total Products under this Category: 25

Category Stats (Oct 2026)

  • Average Rating: 4.18/5 The average rating of products in this category, based on all submitted ratings

Last updated: October 13, 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, LanceDB, Entity Developer, Apache OODT, 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=lancedb&focus%5B%5D=devart-entity-developer&focus%5B%5D=apache-oodt&focus%5B%5D=dbase-2019)

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: 8.4/10)
  • Quality of Support: 10.0/10 (Category avg: 8.1/10)

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?

easyAsPieDB

COMPLETELY customize the information this app stores and displays. (Search and create reports, too.) A list of books, movies or games you care about. Custom business tasks, timesheets or receipts. Home inventory. Anything. No tech skills required. FEATURES Modern: Local first - works offline, no cloud necessary. • Integrated encryption (iOS only) - your mobile data is secure from theft. • Reliable - based on SQLite, the most widely deployed database engine in the world. • Tested - on the market since 2013, in public testing for over 10 years. Developed by a U.S. company in the mobile software business since 2001. Diverse building blocks to assemble complex data: Barcode (scan) • Number • Currency • Date • Distance (mileage) • Drawing (signature capture, signature cards, ...) • Duration • Email • Image • iOS Contact (association) • Note (multi-line) • Password (hidden text) • Phone Number • Time • Text • URL (hyperlink) • Yes/No. Supplementary data building components: Choice lists • Users Interface (UI) Glyphs (headings, line breaks, ...). Special-purpose Appliances: Location (GPS) • Time Group (time tracking) • Expense Group (expense tracking) • Mileage Group (mileage tracking). Power-user capabilities: Calculations and Merges (user-defined Formulas). • Record cross-references - e.g., assign a known Employee to a new Time Card. • Many-to-one and one-to-many Record relationships, e.g. multiple Orders for the same Customer or a Book with multiple Authors. • Record composition - include Records inside other Records, e.g. an Address inside a Contact. • Record design - define Records as Types in a generic manner and reuse those Types when designing other Records. Data Synchronization: Synchronize across multiple desktop (macOS) and mobile (iOS) devices. • Synchronize through the cloud over a wired or wireless network connection. • Zero-setup - just log your device into Apple iCloud and tap a button. • Efficient - synchronize only the data that has changed, incrementally. • Built-in data recovery - automatically detect local device or remote cloud account replacement and automatically consolidate data. AWARDS The product has been selected for a monetary award as an Honorable Mention (3rd-place) Winner in the "Productivity" category for an App Challenge by Samsung, The Linux Foundation and Intel at the Mobile World Congress 2014. FEEDBACK WANTED! easyAsPieDB is an invitation to collaborative design. Please let us know of any missing features that you need, any suggestions for improvement you might have or any issues you run into.

Average Rating: 2.5/5.0

Total Reviews: 1

How Do G2 Users Rate easyAsPieDB?

  • Ease of Use: 6.7/10 (Category avg: 8.4/10)
  • Quality of Support: 6.7/10 (Category avg: 8.1/10)

Who Is the Company Behind easyAsPieDB?

  • Seller: Rfcons
  • Year Founded: 2001
  • HQ Location: Brooklyn, US
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

EntityDAC

EntityDAC is an ORM for Delphi with LINQ support. It provides a powerful framework that allows performing object-relational mapping of database objects to Delphi classes with full support for encapsulation, inheritance, polymorphism and other OOP features. To retrieve data from a database, LINQ is used as a database independent query engine. In addition, there is a feature-rich ORM modeling tool available - Entity Developer that allows you to create and edit your ORM models visually, and generate Delphi entity classes by this model automatically. - Database-First, Model-First & Code-First development - Visual ORM Model Designer with Code generation - LINQ queries - Entity & Query Cache

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate EntityDAC?

  • Ease of Use: 8.3/10 (Category avg: 8.4/10)
  • Quality of Support: 10.0/10 (Category avg: 8.1/10)

Who Is the Company Behind EntityDAC?

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

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of EntityDAC?

What Are G2 Users Discussing About EntityDAC?

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HyperGraphDB

HyperGraphDB is a general purpose, open-source data storage mechanism based on a powerful knowledge management formalism known as directed hypergraphs. While a persistent memory model designed mostly for knowledge management, AI and semantic web projects, it can also be used as an embedded object-oriented database for Java projects of all sizes. Or a graph database. Or a (non-SQL) relational database.

Average Rating: 4.0/5.0

Total Reviews: 2

How Do G2 Users Rate HyperGraphDB?

  • Ease of Use: 8.3/10 (Category avg: 8.4/10)
  • Quality of Support: 5.0/10 (Category avg: 8.1/10)

Who Is the Company Behind HyperGraphDB?

  • Seller: HyperGraphDB
  • HQ Location: Montreal, Canada
  • Twitter: @hypergraphdb
    21 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Small

What Are Recent G2 Reviews of HyperGraphDB?

What Are G2 Users Discussing About HyperGraphDB?

ZODB

ZODB has a pluggable storage architecture. This allows a variety of storage schemes including memory-based, file-based and distributed (client-server) storage. Through storage layering, storage components provide compression, encryption, replication and more.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate ZODB?

  • Ease of Use: 10.0/10 (Category avg: 8.4/10)
  • Quality of Support: 8.3/10 (Category avg: 8.1/10)

Who Is the Company Behind ZODB?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of ZODB?

odilon

Open Source Object Storage that runs on standard hardware. It was designed as a redundant and secure file storage for applications that need to manage medium to large size objects (like pdfs, photos, audio, video. It offers encryption, software RAID and Erasure Codes, detection of silent data degradation, version control and master - standby replication over the Internet

Who Is the Company Behind odilon?

  • Seller: Odilon
  • Year Founded: 2000
  • HQ Location: Ciudad de Buenos Aires, AR
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Oracle Database Cloud Service

Deploy Oracle databases quickly and easily in a highly-available cloud environment, and benefit from the performance of dedicated hardware, proven RAC reliability, data security, and granular controls

Average Rating: 4.3/5.0

Total Reviews: 40

How Do G2 Users Rate Oracle Database Cloud Service?

  • Has the product been a good partner in doing business?: 8.4/10 (Category avg: 8.7/10)
  • Ease of Use: 8.5/10 (Category avg: 8.4/10)
  • Quality of Support: 8.0/10 (Category avg: 8.1/10)
  • Ease of Admin: 8.6/10 (Category avg: 8.3/10)

Who Is the Company Behind Oracle Database Cloud Service?

  • Seller: Oracle
  • Year Founded: 1977
  • HQ Location: Austin, TX
  • Twitter: @Oracle
    827,997 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    207,576 employees on LinkedIn®
  • Ownership: NYSE:ORCL

Who Uses This Product?

  • Company Size: 54% Large, 37% Medium

What Do G2 Reviewers Say About Oracle Database Cloud Service?

AI-generated summary from verified user reviews

Pros
  • Users find the ease of use of Oracle Database Cloud Service enhances their communication and collaboration efficiency.
  • Users appreciate the high performance and low latency of Oracle Database Cloud Service for database use cases.
  • Users value the secure and efficient management of extensive HR data with Oracle Database Cloud Service.
  • Users commend the robust security features of Oracle Database Cloud Service, ensuring safe management of large employee data.
  • Users appreciate the ease and simplicity of Oracle Database Cloud Service, making communication and approvals faster and more efficient.
Cons
  • Users find the complexity of Oracle Database Cloud Service to hinder accessibility and complicate their user experience.
  • Users find certain tools to be time-consuming and tedious, complicating processes and burdening their workflows.
  • Users find the pricing complex, which adds a layer of difficulty in managing the database effectively.
  • Users find the complex documentation of Oracle Database Cloud Service challenging, impacting their ability to utilize the product effectively.
  • Users find the interface design outdated, which detracts from their overall experience with Oracle Database Cloud Service.

What Are Recent G2 Reviews of Oracle Database Cloud Service?

What Are G2 Users Discussing About Oracle Database Cloud Service?

ReductStore

ReductStore is a time series database that is specifically designed for storing and managing large amounts of blob data. It boasts high performance for both writing and real-time querying, with the added benefit of batching data. This makes it an ideal solution for edge computing, computer vision, and IoT applications where network latency is a concern.

Who Is the Company Behind ReductStore?

  • Seller: ReductStore
  • Year Founded: 2024
  • HQ Location: Hamburg, DE
  • Twitter: @reductstore
    266 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Ruli Datagrid

Ruli Datagrid is an advanced AI-powered platform designed to transform extensive document collections into actionable insights swiftly and efficiently. By automating the extraction and analysis of critical data points, Datagrid enables professionals to make informed decisions in a fraction of the time traditionally required.

Who Is the Company Behind Ruli Datagrid?

VelocityGraph

VelocityGraph extends the object-oriented database VelocityDB into a graph database.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate VelocityGraph?

  • Ease of Use: 8.3/10 (Category avg: 8.4/10)
  • Quality of Support: 6.7/10 (Category avg: 8.1/10)

Who Is the Company Behind VelocityGraph?

Who Uses This Product?

  • Company Size: 200% Medium

What Are Recent G2 Reviews of VelocityGraph?

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