Sunday, February 22, 2026

12 Greatest Free Database Software program I Evaluated in 2026


From engineering groups constructing scalable purposes to information leaders powering real-time analytics, the database you depend on can decide efficiency, reliability, and long-term progress.

When budgets are tight, that usually leads groups to judge the greatest free database software program as a sensible different to costly or overengineered platforms.

I’ve seen organizations wrestle with inflexible legacy methods simply as usually as they overcomplicate issues by adopting instruments they don’t really need. The truth is that no single database software program works for each use case. Some groups want relational databases for structured, transactional information. Others profit extra from doc database software program for versatile schemas and relationship-heavy information

The good information? As we speak’s database ecosystem contains mature, production-ready free choices throughout all of those classes. Whether or not you’re a startup validating concepts, a rising workforce preserving infrastructure prices in verify, or a developer constructing cloud-native purposes, free database instruments can ship severe efficiency with out sacrificing reliability.

Comparability of the very best free database software program

If you happen to really feel overwhelmed by the wealth of details about free database software program options, this comparability desk will enable you with all of the important features:

Greatest database software program G2 score Free plan Paid plan
Amazon Relational Database Service (RDS) 4.5/5 ⭐ Obtainable, restricted options Customized pricing
Aerospike 4.4/5 ⭐  Free-trial out there From $1.20 onward
ArangoDB 4.6/5 ⭐ Obtainable, restricted options Customized pricing
Couchbase 4.3/5 ⭐ Free-trial out there From $0.15 per hour per node
Dgraph 4.7/5 ⭐ Free open-source plan From $39.99 monthly
IBM Db2 4.1/5 ⭐ Obtainable, restricted options From $99 monthly
InterSystems Caché 4.3/5 ⭐ Free-trial out there Customized pricing
InterSystems IRIS 4.5/5 ⭐ Obtainable, restricted options Customized pricing
Maria DB 4.4/5 ⭐ Obtainable Open-source software program
MarkLogic 4.3/5 ⭐ Obtainable, restricted options Customized pricing
Neo4j 4.5/5 ⭐ Obtainable, restricted options From $65/month onwards
ScyllaDB 4.5/5 ⭐ Obtainable, restricted options Customized pricing

*All pricing particulars talked about within the article are primarily based on publicly out there information on the time of publication and are topic to alter.

12 greatest database software program I like to recommend

The demand for contemporary database administration methods continues to rise as organizations generate, course of, and depend on information greater than ever. From transactional purposes and real-time analytics to AI-driven and distributed workloads, databases sit on the core of almost each digital product and repair.

Whether or not groups are managing buyer information, powering large-scale purposes, or extracting insights from advanced datasets, selecting the best database has grow to be a strategic choice, not only a technical one.

And from what I’ve seen, “greatest” doesn’t all the time imply “most advanced” or “costliest.” Some databases excel as a result of they simplify operations, whereas others stand out by providing flexibility, efficiency, or specialised information fashions that higher match real-world use circumstances.

How did I discover and consider these database methods?

To construct this checklist, I began with G2 information, shortlisting top-rated database platforms primarily based on their G2 scores, market presence, and constant efficiency throughout numerous associated software program classes.

 

From there, I analyzed product documentation and up to date, verified G2 person evaluations to validate real-world efficiency and establish the place every resolution actually excels, or falls quick.

 

The aim was simple: perceive what every database is greatest fitted to, the way it performs in manufacturing environments, and which varieties of groups profit most from it. I additionally paid shut consideration to accessibility components, reminiscent of open-source availability, free tiers, trials, or cloud-managed choices, so readers can discover these instruments with minimal upfront dedication.

 

The screenshots featured on this article might embody photographs from the seller’s G2 profile or publicly out there product supplies.

1. Amazon Relational Database Service (RDS): Greatest for managed cloud databases

Amazon Relational Database Service (RDS) allows customers to construct, handle, and increase databases within the cloud. It presents scalable capability whereas automating time-consuming administrative duties, together with {hardware} provisioning, setup, patches, and backups.

It frees companies to deal with providers whereas offering the efficiency and safety they want. High operational options embody the Amazon RDS Administration Console, the AWS RDS Command-Line Interface, and easy API requires fast and straightforward setup. 

Professionals and cons of Amazon Relational Database Service: My take

Professionals of Amazon Relational Database Service

Cons of Amazon Relational Database Service

Helps a variety of database engines

Restricted database assist out there

Automated backups out there

Tough to work with giant datasets

Sturdy indexing of knowledge

Restricted customization functionality

What G2 customers like about Amazon Relational Database Service: 

“What I like greatest about Amazon Relational Database Service (RDS) is its skill to simplify the administration of relational databases with automated backups, scaling, and upkeep. This enables customers to deal with utility improvement with out worrying concerning the underlying database infrastructure. The seamless integration with different AWS providers and strong safety features additional improve its enchantment.”

Amazon Relational Database Service (RDS) evaluation, Cuong M. 

What G2 customers dislike about Amazon Relational Database Service: 

“As a managed service, RDS might not supply the identical degree of customization and management as self-managed databases, which is usually a limitation for sure superior use circumstances.“

Amazon Relational Database Service (RDS) evaluation, Nireeksha P. 

2. Aerospike: Greatest for real-time, low-latency workloads

Aerospike is a cloud-based, on-premise NoSQL database platform that allows e-commerce, retail, on-line gaming, telecoms, and promoting corporations to simplify multi-site clustering, cross-datacenter replication, and cargo balancing, amongst different processes, on a single platform. It protects information with encryption, authentication, role-based entry controls, and web site whitelisting.

Professionals and cons of Aerospike: My take

Professionals of Aerospike

Cons of Aerospike

Can scale horizontally by including extra nodes to the cluster

Report measurement limitations

Geospatial indexing capabilities

Lack of a correct interface

Skilled buyer assist

Lack of auditing options

What G2 customers like about Aerospike:

“Aerospike helps retailer information as cached and the database with full XDR performance. It is a wonderful database by combining the ability of Redis and SQL-compliant queries.”

Aerospike evaluation, Imran Okay.

What G2 customers dislike about Aerospike:

“Aerospike might be tough to measurement the cluster, though assist is helpful.”

Aerospike evaluation, Ido B.

3. ArangoDB: Greatest multi-model database

ArangoDB is a extremely scalable, multi-model database that excels in dealing with advanced, interconnected information constructions. As a doc database, it is optimized for storing and querying information in a versatile JSON-like format, making it ideally suited for purposes that require speedy improvement and environment friendly information administration.

Professionals and cons of ArangoDB: My take

Professionals of ArangoDB

Cons of ArangoDB

Useful in retrieving information from a number of collections

Low efficiency on advanced aggregations

Multi-model database

Unstable person interface

Intuitive Arango question language

Lacks granularity in entry management

What G2 customers like about ArangoDB:

“The combination of the doc, search, and graph fashions has made our selections simpler. We are able to restrict our stack to make use of Arango and never have an explosion of vendor methods for every goal.”

ArangoDB evaluation, Kevin B.

What G2 customers dislike about ArangoDB:

“Creating Property graphs is straightforward. Nonetheless, there isn’t any direct strategy to create an RDF/OWL graph. RDF triples are helpful in machine studying.”

ArangoDB evaluation, Amardeep Singh S.

4. Couchbase: Greatest for NoSQL and distributed apps

Couchbase is a feature-rich database administration system for small and midsize organizations and enormous firms throughout industries reminiscent of banking, lodges, power, info expertise (IT), retail, telecommunications, and manufacturing. 

Couchbase is a multi-model NoSQL database designed completely for mission-critical purposes. It’s a document-oriented distributed database that mixes two well-liked NoSQL applied sciences: Membase and CouchDB.

Professionals and cons of Couchbase: My take

Professionals of Couchbase

Cons of Couchbase

Versatile information mannequin

Excessive reminiscence utilization

The structure ensures fault tolerance

Complicated configuration

Supplies NoSQL capabilities

Poor person expertise and studying curve

What G2 customers like about Couchbase: 

“Simple to get began. We are able to question the DB utilizing N1QL, which is similar to SQL, so you do not want additional information to get began. The UI could be very clear and straightforward to grasp. Indexing is straightforward to implement; we will see all out there indices, and whereas working queries, we will see which index was used. Beloved this feature.”

Couchbase evaluation, Amit P.

What G2 customers dislike about Couchbase: 

“Including licensed customers was a bit difficult. Nonetheless, my workforce figured it out after some poking round.”

Couchbase evaluation, Nico P.

5. Dgraph: Greatest GraphQL-native database

Dgraph is a graph database system with a single schema improvement mannequin. Customers can use the instrument to develop a schema, deploy it, and obtain quick database and API entry with out writing any code. Dgraph permits customers to decide on between GraphQL and DQL, so anybody with no prior information of graph databases to get began.

Professionals and cons of Dgraph: My take

Professionals of Dgraph Cons of Dgraph
Extremely scalable with low latency

Requires excessive RAM

Problem-free information retrieval Occasional bugs
Provides you a production-ready DGraph cluster

DGraph Question Language (DQL) has a studying curve

What G2 customers like about Dgraph: 

We have now opted for the Dgraph Cloud platform for our enterprise, as it’s extremely scalable and presents low latency. It is wonderful for necessities with real-time transactional workloads, because it successfully synchronizes buyer information. Information retrieval is hassle-free & we will carry out arbitrary depth joins with out worrying about our cluster limitations.”

Dgraph evaluation, Varshini S.

What G2 customers dislike about Dgraph: 

“Dgraph requires excessive RAM to retailer a graph in comparison with different choices. The managed providing does not present all of the performance potential utilizing its Kubernetes cluster. The administration needs to be performed by your self or the DevOps workforce of the group.”

Dgraph evaluation, Aditya G.

6. IBM Db2: Greatest for enterprise relational workloads

IBM Db2 is a relational database administration system (RDBMS) that effectively shops, analyzes, and retrieves information. Corporations of all sizes use Db2 for transactional and analytical processes because it presents steady information availability to maintain them working easily. Db2 additionally helps NoSQL options, reminiscent of XML, graph retailer, and JSON.

Professionals and cons of IBM Db2: My take

Professionals of IBM Db2

Cons of IBM Db2

Appropriate for demanding workloads

Outdated auditing function

Obtainable on cloud platforms

Laborious to navigate information heart

Helps superior analytical capabilities

Depends on vendor lock-in

What G2 customers like about IBM Db2:

“IBM Db2 is a steady platform and built-in relational database administration system that leverages high-performance, virtualization, and power effectivity options. Additionally, it’s supported by completely different media.”

IBM Db2 evaluation, Sachin D.

What G2 customers dislike about IBM Db2:

“It will be nice if we might have assist to have a local UI instrument to view information and execute queries. The question efficiency could be sluggish generally for long-running processes.”

IBM Db2 evaluation, Vignesh V.

7. InterSystems Caché: Greatest for mission-critical legacy methods

InterSystems Caché is a full-featured database system with all of the performance required to run mission-critical purposes, together with journaling, backup and restoration, and system administration instruments, for healthcare, banking and monetary providers, authorities, and different industries.

Professionals and cons of InterSystems Caché: My take

Professionals of InterSystems Caché

Cons of InterSystems Caché

Skill to deal with giant datasets

Difficult to function

Intuitive information modeling options Outdated UI
Easy storage structure

Customization points

What G2 customers like about InterSystems Caché: 

“It is a swift and safe database and may talk with relational entry, net pages, and object entry.”

InterSystems Caché evaluation, Eike Scudellari F.

What G2 customers dislike about InterSystems Caché: 

“The Studio editor is a bit outdated, and I really feel an absence of basic info on the open net.”

InterSystems Caché evaluation, Andy C.

8. InterSystems IRIS: Greatest for real-time analytics purposes

InterSystems IRIS is a high-performance information administration platform that offers IT specialists the instruments to develop machine studying and information connectivity purposes. The software program additionally helps database administration for SQL and NoSQL databases. It is primarily designed for organizations that need bespoke apps to shortly deal with incoming information and carry out real-time analytics.

Professionals and cons of InterSystems IRIS: My take

Professionals of InterSystems IRIS

Cons of InterSystems IRIS

Skill to deal with advanced queries

Steep studying curve

Helps a number of information fashions

Problem in navigating documentation

Sturdy integration platform, enabling simple information alternate

Admin portal is tough to navigate

What G2 customers like about InterSystems IRIS:

“It is quick, allows you to work with many applied sciences, not simply healthcare-related ones, and integrates many cool options into your initiatives by default. With out doing any additional work, you’re going to get a hint log that allows you to search to and redo processes, fixing errors. It features a quick and versatile database with a tree construction that may also be used with common SQL.”

InterSystems IRIS evaluation, Jaime L.

What G2 customers dislike about InterSystems IRIS:

“I believe the largest draw back to InterSystems Iris (and it’s really small compared to what it could possibly be) is that if you wish to add customized performance, you’ll have to study the InterSystems-specific programming language (not less than a bit) to get it constructed out. It follows fairly customary programming guidelines and syntax, although, so it will not take lengthy to get shifting with it.”

InterSystems IRIS evaluation, Victoria C.

9. MariaDB: Greatest open-source relational database

MariaDB relieves companies of the prices, limitations, and complexity of proprietary databases, permitting them to deal with what issues most: constructing inventive, customer-facing apps. MariaDB employs pluggable, purpose-built storage engines to accommodate workloads that historically wanted a variety of specialist databases.

MariaDB supplies unmatched operational agility with out sacrificing essential company capabilities, reminiscent of real ACID compliance and full SQL assist.

Professionals and cons of MariaDB: My take

Professionals of MariaDB

Cons of MariaDB

Simple import and export of knowledge

Backend processing limitations

Extremely appropriate with SQL

Efficiency points with giant infrastructure

Group-driven, resulting in innovation and enhancements

Laborious to seek out tutorials or group examples

What G2 customers like about MariaDB:

“It is a dependable and open-source database system that does not fear the customers. I used this database over Oracle due to its efficiency and availability. We are able to go away an impression on the shoppers through the use of the MariaDB database.”

MariaDB evaluation, Tabassum Okay.

What G2 customers dislike about MariaDB:

“It is not handy for an enormous stream of knowledge. Additional, it performs comparatively properly by way of clustering and is consistently up to date with new options and capabilities.”

MariaDB evaluation, Satyam G

10. MarkLogic: Greatest for enterprise unstructured information

MarkLogic is an enterprise-grade NoSQL doc database famend for its skill to deal with huge volumes of various information, together with XML, JSON, and RDF. It presents a singular mix of database, search, and utility server functionalities inside a single platform.

Professionals and cons of MarkLogic: My take

Professionals of MarkLogic

Cons of MarkLogic

Multimedia database capabilities

Restricted spreadsheet capabilities

Enterprise search performance

Lacks correct search capabilities

Effectively handles unstructured and various information sorts

Tough to work with giant datasets

What G2 customers like about MarkLogic:

“MarkLogic is a database platform managing giant dataflows and completely different datatypes. It additionally shops structured and unstructured queries, together with dataflows, all of which might be managed below a single system. It helps customers index and search giant datasets quicker and permits them to deal with growing quantities of knowledge. MarkLogic is compliant with the ACID properties of atomicity, isolation, sturdiness, and consistency. MarkLogic might be built-in with numerous third-party instruments and supplies confidentiality, integrity, and auditing.”

MarkLogic evaluation, Harshit L.

What G2 customers dislike about MarkLogic:

The license price is extraordinarily excessive, and so is the quantity of area required to retailer information.”

MarkLogic evaluation, Abdalla H.

11. Neo4j: Greatest graph database

Neo4j is an open-source graph database that helps companies make data-driven selections by visualizing relationships amongst individuals, processes, and methods. Neo4j maintains interconnected information by default, making information simpler to grasp. Corporations also can use the property graph mannequin to develop machine studying and AI fashions.

Professionals and cons of Neo4j: My take

Professionals of Neo4j Cons of Neo4j
Useful in creating your individual chatbots Complicated syntax
Ample graph codecs Restricted graph measurement
Schema-free and index-free database

Much less documentation out there

What G2 customers like about Neo4j:

“Neo4j is essentially the most interactive and easy-to-use or question instrument I’ve ever labored with. The ciphers are so user-friendly that somebody with no programming or question language information can get began at any time, which supplies us an edge in explaining BI evaluation and parameters to our clients. Visualizations enable you debug and resolve points approach quicker than different DBs. And their integration with most cloud providers permits a easy integration in our purposes.“

Neo4j evaluation, Gariba G.

What G2 customers dislike about Neo4j:

“I didn’t discover a variety of assets to assist after I received caught. Additionally, the setup course of was a bit tedious, particularly with solely the documentation to go off, however I managed to determine the driving force’s points.”

Neo4j evaluation, Ian J.

12. ScyllaDB: Greatest Cassandra-compatible NoSQL database

ScyllaDB is an open-source distributed NoSQL database. It was created to work with Apache Cassandra whereas delivering a lot better throughputs and decreased latencies. It helps the identical protocols and file codecs as Cassandra however is a very rewritten implementation with the C++20 language.

Professionals and cons of ScyllaDB: My take

Professionals of ScyllaDB

Cons of ScyllaDB

Skill to deal with growing workloads

Fairly resource-intensive

Low latency makes it appropriate for real-time purposes

Lack of group assist

Elevated compatibility

Restricted documentation options

What G2 customers like about ScyllaDB: 

“We have now been using ScyllaDB for a very long time now. It’s a dependable, extremely out there NoSQL DB because of its replication. Making certain that the info stays there even after a number of nodes fail.

Our in-house workforce received nice assist from ScyllaDB assist whereas implementing the DB because of its supportability with CQL. Greatest instance of knowledge consistency, reliability, and efficiency.”

ScyllaDB evaluation, Chanchala B.

What G2 customers dislike about ScyllaDB: 

“The setup and configuration complexity of ScyllaDB might be tough for novices. Moreover, the documentation generally lacks readability for superior options.”

ScyllaDB evaluation, Riya V. 

Often requested questions on free database software program

Q. How do I select the precise free database software program for my wants?

Begin by matching the database to your workload, not simply the function checklist. If you happen to’re working transactional or SQL-heavy purposes, instruments like MariaDB or Amazon RDS (free tier) are simpler to undertake. For relationship-heavy or related information, a graph database like Neo4j makes extra sense. Additionally consider your workforce’s expertise, some instruments lower your expenses however require extra hands-on administration.

Q. Can I scale a free database to deal with rising information volumes?

Sure, however scaling seems to be completely different relying on the database. ScyllaDB and Aerospike are designed to scale horizontally with growing workloads, whereas free tiers of managed providers might cap storage or throughput. 

Q. Can I combine free database software program with my current purposes or instruments?

Most free database instruments combine properly on the API or driver degree. For instance, MariaDB works seamlessly with frequent net frameworks, whereas Neo4j integrates simply with cloud providers and analytics instruments. That stated, managed integrations and native connectors are sometimes restricted in free variations.

Q. What’s the distinction between open-source and cloud-based free database choices?

Open-source databases like MariaDB and ScyllaDB provide you with full management and customization however require you to handle infrastructure and updates. Cloud-based choices, reminiscent of Amazon RDS, deal with upkeep for you however sometimes limit assets or options until you improve. 

Q. How do I select the precise free database software program for my wants?

Begin by matching the database to your workload, not simply the function checklist. If you happen to’re working transactional or SQL-heavy purposes, instruments like MariaDB or Amazon RDS (free tier) are simpler to undertake. For relationship-heavy or related information, a graph database like Neo4j makes extra sense. 

Q. Can I scale a free database to deal with rising information volumes?

Sure, however scaling seems to be completely different relying on the database. ScyllaDB and Aerospike are designed to scale horizontally with growing workloads, whereas free tiers of managed providers like Amazon RDS might cap storage or throughput. All the time verify whether or not scaling requires upgrading to a paid plan or including infrastructure your self.

Q. Can I combine free database software program with my current purposes or instruments?

Most free database instruments combine properly on the API or driver degree. For instance, MariaDB works seamlessly with frequent net frameworks, whereas Neo4j integrates simply with cloud providers and analytics instruments. That stated, managed integrations and native connectors are sometimes restricted in free variations.

Q. What’s the distinction between open-source and cloud-based free database choices?

Open-source databases like MariaDB and ScyllaDB provide you with full management and customization however require you to handle infrastructure and updates. Cloud-based choices, reminiscent of Amazon RDS, deal with upkeep for you however sometimes limit assets or options until you improve. The fitting alternative is dependent upon how a lot management your workforce needs versus how a lot operational work you may deal with.

Q. Can I migrate information from an current database to a free database software program simply?

Migration between related methods is often simple. Shifting from MySQL to MariaDB is usually seamless, whereas switching to a graph database like Neo4j might require rethinking your information mannequin. Many instruments supply import utilities, however advanced schemas or giant datasets should still want handbook tuning.

Q. Can I migrate information from an current database to a free database software program simply?

Migration between related methods is often simple. Shifting from MySQL to MariaDB is usually seamless, whereas switching to a graph database like Neo4j might require rethinking your information mannequin. Many instruments supply import utilities, however advanced schemas or giant datasets should still want handbook tuning.

Cease guessing, begin querying

Understanding your information is crucial for constructing dependable, high-performing purposes and making knowledgeable enterprise selections. The free database software program I evaluated above presents a robust start line for storing, managing, and analyzing information with out upfront prices. I hope this checklist of the very best free database software program helps you discover the precise resolution in your particular workload and progress targets.

As soon as your information is in place, the greatest AI brokers for enterprise operations may also help you automate workflows and streamline decision-making.

This text was initially revealed in 2023. It has been up to date with new info.



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