# Top Free Relational Databases - Page 4 ## How Many Relational Databases Products Does G2 Track? **Total Products under this Category:** 182 ### Category Stats (Jul 2026) - **Average Rating:** 4.26/5 (↓0.01 vs Jun 2026) The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** Apache Calcite (+1.1%) - Among all products in this category, Apache Calcite recorded the largest rating increase compared to last month _Last updated: July 22, 2026_ ## How Does G2 Rank Relational Databases Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 12,200+ Authentic Reviews - 182+ 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. [ XLeratorDB ](https://www.g2.com/products/xleratordb/reviews) By [Westclintech](https://www.g2.com/sellers/westclintech) [ 5/5(1) ](https://www.g2.com/products/xleratordb/reviews) Product Description XLeratorDB is an In-Database Analytics calculation engine that provides a rich set of advanced high-speed financial, statistical and mathematical analytic functions designed to integrate seamlessly in [ dotConnect for Adobe Commerce ](https://www.g2.com/products/dotconnect-for-adobe-commerce/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-adobe-commerce/reviews) Product Description dotConnect for Adobe Commerce is an ADO.NET provider for working with Adobe Commerce data through the standard ADO.NET or Entity Framework interfaces. It allows you to easily integrate Adobe Commerce [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ dotConnect for DB2 ](https://www.g2.com/products/dotconnect-for-db2-2024-12-10/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-db2-2024-12-10/reviews) Product Description dotConnect for Db2 is a high-performance ADO.NET data provider that helps software developers implement easy access to IBM Db2 databases in their applications. Our data provider allows integrating [ dotConnect for Dynamics 365 ](https://www.g2.com/products/dotconnect-for-dynamics-365/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-dynamics-365/reviews) Product Description dotConnect for Dynamics 365 (formerly Dynamics CRM) is a high-end ADO.NET data provider for accessing and managing Dynamics 365 data through the standard ADO.NET or Entity Framework interfaces. It hel [ dotConnect for FreshBooks ](https://www.g2.com/products/dotconnect-for-freshbooks-2024-12-10/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-freshbooks-2024-12-10/reviews) Product Description dotConnect for FreshBooks is an ADO.NET provider for working with FreshBooks data through the standard ADO.NET or Entity Framework interfaces. It allows you to easily integrate FreshBooks data into yo [ dotConnect for Mailchimp ](https://www.g2.com/products/dotconnect-for-mailchimp-2024-12-10/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-mailchimp-2024-12-10/reviews) Product Description dotConnect for Mailchimp is a high-performance ADO.NET data provider that enables easy access to Mailchimp data from .NET applications. It offers full support for EF Core, Dapper, and NHibernate, a [ dotConnect for QuickBooks... ](https://www.g2.com/products/dotconnect-for-quickbooks-online/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-quickbooks-online/reviews) Product Description dotConnect for QuickBooks Online is a high-performance ADO.NET data provider that helps access and manage QuickBooks data through the standard ADO.NET or Entity Framework interfaces. It helps you easi [ dotConnect for SQL Server ](https://www.g2.com/products/dotconnect-for-sql-server-2024-12-10/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-sql-server-2024-12-10/reviews) Product Description dotConnect for SQL Server, formerly known as SQLDirect .NET, is an enhanced data provider for SQL Server that builds on ADO.NET technology and SqlClient to present a complete solution for developing S [ dotConnect for SugarCRM ](https://www.g2.com/products/dotconnect-for-sugarcrm-2024-12-10/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-sugarcrm-2024-12-10/reviews) Product Description dotConnect for SugarCRM is an ADO.NET provider for working with SugarCRM data through the standard ADO.NET or Entity Framework interfaces. It allows you to easily integrate SugarCRM data into your .NE [ dotConnect for Zoho Books ](https://www.g2.com/products/dotconnect-for-zoho-books/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-zoho-books/reviews) Product Description dotConnect for Zoho Books is an ADO.NET provider for working with Zoho Books data through the standard ADO.NET or Entity Framework interfaces. It allows you to easily incorporate Zoho Books data into [ dotConnect for Zoho Desk ](https://www.g2.com/products/dotconnect-for-zoho-desk/reviews) By [Devart](https://www.g2.com/sellers/devart) [ 0/5(0) ](https://www.g2.com/products/dotconnect-for-zoho-desk/reviews) Product Description dotConnect for Zoho Desk is an ADO.NET provider for working with Zoho Desk data through the standard ADO.NET or Entity Framework interfaces. It allows you to easily incorporate Zoho Desk data into you [ Hive ](https://www.g2.com/products/the-guild-hive/reviews) By [The Guild](https://www.g2.com/sellers/the-guild) [ 0/5(0) ](https://www.g2.com/products/the-guild-hive/reviews) Product Description Hive is an open-source GraphQL platform that streamlines API management and evolution. It serves as a Schema Registry, making it easy to publish schemas, compose federated services, and detect breakin [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) - [‹ Prev‹ Prev](/categories/relational-databases/free?category_id=relational-databases&order=g2_score&page=3#product-list) - [1](/categories/relational-databases/free?category_id=relational-databases&order=g2_score#product-list) - [2](/categories/relational-databases/free?category_id=relational-databases&order=g2_score&page=2#product-list) - [3](/categories/relational-databases/free?category_id=relational-databases&order=g2_score&page=3#product-list) - 4 - Next ›Next › Spotlight Categories [Spend Management Software](https://www.g2.com/categories/spend-management) [E-commerce Fraud Protection Software](https://www.g2.com/categories/e-commerce-fraud-protection) [Social Media Management Tools](https://www.g2.com/categories/social-media-mgmt) [Robotic Process Automation (RPA) Software](https://www.g2.com/categories/robotic-process-automation-rpa) [Employee Recognition Software](https://www.g2.com/categories/employee-recognition) Similar Categories - [NoSQL Databases](/categories/nosql-databases) - [Database Management Systems (DBMS)](/categories/database-management-systems-dbms) - [Big Data](/categories/big-data) - [Database as a Service (DBaaS)](/categories/database-as-a-service-dbaas) - [Database Comparison](/categories/database-comparison) - [Desktop Database](/categories/desktop-database) - [Real-time Analytic Database](/categories/real-time-analytic-database) - [Structured Data Archiving and Application Retirement](/categories/structured-data-archiving-and-application-retirement) - [Time Series Databases](/categories/time-series-databases) - [Vector Database](/categories/vector-database) [Browse Relational Databases Themes](/categories/relational-databases/themes)