# Top Free Document Databases

Check out our list of free Document Databases. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features.

If you'd like to see more products and to evaluate additional feature options, compare all [Document Databases](https://www.g2.com/categories/document-databases) to ensure you get the right product.

## View Free Document Databases

G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our [scoring methodologies](https://research.g2.com/g2-scoring-methodologies).

**13** Document Databases Products Available
View all [Document Databases](https://www.g2.com/categories/document-databases)

View all [Document Databases](https://www.g2.com/categories/document-databases)

### [Couchbase](https://www.g2.com/products/couchbase/reviews)

[By Couchbase](https://www.g2.com/sellers/couchbase)

[

(150)4.3 out of 5
](https://www.g2.com/products/couchbase/reviews#reviews "Read Couchbase Reviews")

Product Description

Couchbase’s operational data platform for AI is a scalable foundation for enterprise operational, analytical, mobile and AI workloads that replaces legacy infrastructure and data services.

**Users:** Senior Software Engineer, Software Engineer · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 39% Small-Business, 34% Enterprise

 ![Varshini S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Varshini S.")
VS

Whenever we carry deployments using Couchbase Capella into our cloud platform over our organization's network, we are able to obtain substantial...[Read review](https://www.g2.com/products/couchbase/reviews/couchbase-review-7028082)

 ![Verified User in Telecommunications](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Telecommunications")
AT

Horizontal scalability. Good support. N1QL.[Read review](https://www.g2.com/products/couchbase/reviews/couchbase-review-7031067)

Year Founded
2009

HQ Location
San Jose, CA

Company Website
https://www.couchbase.com/

Twitter
@couchbase

LinkedIn® Page
https://www.linkedin.com/company/1866670/

### [Arango](https://www.g2.com/products/arango/reviews)

[By Arango](https://www.g2.com/sellers/arango)

[

(115)4.6 out of 5
](https://www.g2.com/products/arango/reviews#reviews "Read Arango Reviews")

Product Description

Arango provides a trusted data foundation for Contextual AI — transforming enterprise data into a System of Context that truly represents the business, so LLMs can deliver better outcomes with unlimit

**Users:** Senior Software Engineer · **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 57% Small-Business, 23% Mid-Market

 ![Kevin B.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kevin B.")
KB

The mixture of document, search and graph has made our decisions easier. We can limit our stack to use Arango and not have an explosion of vendor...[Read review](https://www.g2.com/products/arango/reviews/arango-review-5241217)

 ![Sky R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sky R.")
SR

ArangoDb is an extremeley versatile and well featured database. Being truly mulit-model, it can serve any purpose most developers would require,...[Read review](https://www.g2.com/products/arango/reviews/arango-review-9473460)

Year Founded
2015

HQ Location
San Francisco, CA

Company Website
https://arango.ai/

LinkedIn® Page
https://www.linkedin.com/company/5289249/

[![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)

### [Elasticsearch](https://www.g2.com/products/elastic-elasticsearch/reviews)

[By Elastic](https://www.g2.com/sellers/elastic)

[

(292)4.5 out of 5
](https://www.g2.com/products/elastic-elasticsearch/reviews#reviews "Read Elasticsearch Reviews")

Product Description

Build next generation search experiences for your customers and employees that support your organization’s technology objectives. Elasticsearch gives developers a flexible toolkit to build AI-powered

**Users:** Software Engineer, Senior Software Engineer · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 38% Mid-Market, 33% Enterprise

User SentimentHow are these determined?

Users frequently mention the speed, flexibility, and scalability of Elasticsearch, its ability to handle large volumes of data efficiently, and the ease of integration with other tools. Reviewers mentioned that Elasticsearch can be resource-intensive, particularly in terms of RAM usage, and that it can become complex to manage as it grows, requiring careful planning and monitoring.

Year Founded
2012

HQ Location
San Francisco, CA

Company Website
https://www.elastic.co

Twitter
@elastic

LinkedIn® Page
https://www.linkedin.com/company/814025/

Ownership
NYSE: ESTC

### [Progress MarkLogic](https://www.g2.com/products/progress-marklogic/reviews)

[By Progress Software](https://www.g2.com/sellers/progress-software)

[

(66)4.3 out of 5
](https://www.g2.com/products/progress-marklogic/reviews#reviews "Read Progress MarkLogic Reviews")

Product Description

Progress MarkLogic is an enterprise-grade multi-model data management platform that unlocks value from complex data. It works with the full breadth of a company's information and makes it easily disco

**Industries:** Information Technology and Services, Computer Software · **Market Segment:** 53% Enterprise, 24% Small-Business

 ![Abdalla H.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Abdalla H.")
AH

Fast pipelines relying on its multi-model approach to handle any incoming data sources[Read review](https://www.g2.com/products/progress-marklogic/reviews/progress-marklogic-review-9476877)

 ![Sourav D.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sourav D.")
SD

- Support for the AI capabilities and enterprise-level features. - Data Security, scalability and governance.[Read review](https://www.g2.com/products/progress-marklogic/reviews/progress-marklogic-review-9663142)

Year Founded
1981

HQ Location
Burlington, MA.

Company Website
https://www.progress.com/

Twitter
@ProgressSW

LinkedIn® Page
https://www.linkedin.com/company/progress-software/

Ownership
NASDAQ:PRGS

Phone
1-888-365-2779

### [Percona Server for MongoDB](https://www.g2.com/products/percona-server-for-mongodb/reviews)

[By Percona](https://www.g2.com/sellers/percona)

[

(41)4.6 out of 5
](https://www.g2.com/products/percona-server-for-mongodb/reviews#reviews "Read Percona Server for MongoDB Reviews")

Product Description

Percona Server for MongoDB is a free and open-source drop-in replacement for MongoDB Community Edition. It combines all the features and beneﬁts of MongoDB Community Edition with enterprise-class feat

**Industries:** Information Technology and Services, Education Management · **Market Segment:** 54% Small-Business, 29% Mid-Market

 ![Verified User in Mechanical or Industrial Engineering](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Mechanical or Industrial Engineering")
UM

One of the best feature is that it is schema-free and have a long list of supported programming languages like C,C++, Java, Perl, Dart, Javascript,...[Read review](https://www.g2.com/products/percona-server-for-mongodb/reviews/percona-server-for-mongodb-review-4507877)

 ![Jerald F.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Jerald F.")
JF

It's performance, resilience, and security. I suggest people go for it[Read review](https://www.g2.com/products/percona-server-for-mongodb/reviews/percona-server-for-mongodb-review-4512050)

Year Founded
2006

HQ Location
Durham, North Carolina

Company Website
https://www.percona.com/

Twitter
@Percona

LinkedIn® Page
https://www.linkedin.com/company/421929/

### [InterSystems IRIS](https://www.g2.com/products/intersystems-iris/reviews)

[By InterSystems](https://www.g2.com/sellers/intersystems)

[

(68)4.6 out of 5
](https://www.g2.com/products/intersystems-iris/reviews#reviews "Read InterSystems IRIS Reviews")

Product Description

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 ope

**Industries:** Computer Software, Hospital & Health Care · **Market Segment:** 50% Small-Business, 28% Mid-Market

User SentimentHow are these determined?

Reviewers appreciate the high performance, ease of infrastructure scalability, and the immediate access to engineers in crisis situations provided by InterSystems IRIS. Reviewers mentioned the steep learning curve for newer features, lack of online tutorials and discussions covering the development process, and the high licensing costs.

Year Founded
1978

HQ Location
Cambridge, MA

Company Website
https://www.intersystems.com

Twitter
@InterSystems

LinkedIn® Page
https://www.linkedin.com/company/6959

### [CrateDB](https://www.g2.com/products/cratedb/reviews)

[By CrateDB](https://www.g2.com/sellers/cratedb)

[

(85)4.4 out of 5
](https://www.g2.com/products/cratedb/reviews#reviews "Read CrateDB Reviews")

Product Description

The real-time database for analytics, search, and AI. Store any type of data and combine the simplicity of SQL with the scalability of NoSQL. CrateDB is an open source, multi-model, distributed and co

**Users:** Data Engineer, Software Engineer · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 54% Small-Business, 31% Mid-Market

 ![Limuel O.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Limuel O.")
LO

This is one of my favorite software because of its ease of use very ease to create a database, It can handle a massive amount of data, and it...[Read review](https://www.g2.com/products/cratedb/reviews/cratedb-review-5097783)

 ![Aidan A.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Aidan A.")
AA

I value the pricing over competitors like CockroachDB, and MongoDB Atlas for similar amounts of data stored and retrieved.[Read review](https://www.g2.com/products/cratedb/reviews/cratedb-review-7225697)

Year Founded
2013

HQ Location
Redwood City, CA

Company Website
https://cratedb.com/

Twitter
@cratedb

LinkedIn® Page
https://www.linkedin.com/company/crateio/

### [Fauna](https://www.g2.com/products/fauna-fauna/reviews)

[By Fauna](https://www.g2.com/sellers/fauna)

[

(25)4.4 out of 5
](https://www.g2.com/products/fauna-fauna/reviews#reviews "Read Fauna Reviews")

Product Description

Fauna is a truly serverless operational database that empowers teams to ship applications faster. It combines the flexibility of a document model with the strong consistency and rich querying power of

**Industries:** Information Technology and Services · **Market Segment:** 64% Small-Business, 24% Mid-Market

 ![Verified User in Education Management](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Education Management")
UE

The scaling options provided by fauna DB for the given pricing are very insightful and cheap compared to other options available in the market with...[Read review](https://www.g2.com/products/fauna-fauna/reviews/fauna-review-7270777)

 ![Ed A.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Ed A.")
EA

Fauna sure does offer a lot of functionality in their free version. They have plenty of SDKs to choose from and a lot of walkthrus and tutorials. ...[Read review](https://www.g2.com/products/fauna-fauna/reviews/fauna-review-7272878)

Year Founded
2015

HQ Location
San Francisco, CA

Company Website
https://fauna.com/

Twitter
@fauna

LinkedIn® Page
https://www.linkedin.com/company/faunadb/

### [Tembo](https://www.g2.com/products/tembo/reviews)

[By Tembo](https://www.g2.com/sellers/tembo)

[

(26)4.7 out of 5
](https://www.g2.com/products/tembo/reviews#reviews "Read Tembo Reviews")

Product Description

Tembo is a multi-workload Postgres managed service that enables organizations to harness the full power of Postgres for transactional, analytical, and AI workloads. With robust SaaS and self hosted de

**Industries:** Computer Software · **Market Segment:** 85% Small-Business, 15% Mid-Market

 ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software")
UC

It resolves our specific needs such as the cloud and stack related deployments[Read review](https://www.g2.com/products/tembo/reviews/tembo-review-10758657)

SN

The best thing I like about Tembo is that they have extensive postgres extension library[Read review](https://www.g2.com/products/tembo/reviews/tembo-review-10760117)

Year Founded
2022

HQ Location
Cincinnati, US

Company Website
https://tembo.io/

Twitter
@tembo\_io

LinkedIn® Page
https://www.linkedin.com/company/tembo-inc/

### [Aerospike](https://www.g2.com/products/aerospike/reviews)

[By Aerospike](https://www.g2.com/sellers/aerospike)

[

(83)4.4 out of 5
](https://www.g2.com/products/aerospike/reviews#reviews "Read Aerospike Reviews")

Product Description

The Aerospike Real-time Data Platform enables organizations to act instantly across billions of transactions while reducing server footprint by up to 80 percent. The Aerospike multi-cloud platform pow

**Users:** Software Engineer · **Industries:** Marketing and Advertising, Information Technology and Services · **Market Segment:** 45% Mid-Market, 34% Enterprise

 ![Verified User in Internet](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Internet")
UI

scalability. reliability. support is really fast and reliable[Read review](https://www.g2.com/products/aerospike/reviews/aerospike-review-4131019)

 ![Verified User in Marketing and Advertising](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Marketing and Advertising")
UM

XDR, cost reduction due to less memory required from our instances[Read review](https://www.g2.com/products/aerospike/reviews/aerospike-review-4482972)

Year Founded
2009

HQ Location
Mountain View, CA

Company Website
https://www.aerospike.com

Twitter
@aerospikedb

LinkedIn® Page
https://www.linkedin.com/company/2696852/

### [GigaSpaces](https://www.g2.com/products/gigaspaces/reviews)

[By Gigaspaces](https://www.g2.com/sellers/gigaspaces)

[

(14)4.6 out of 5
](https://www.g2.com/products/gigaspaces/reviews#reviews "Read GigaSpaces Reviews")

Product Description

GigaSpaces helps enterprises apply AI to real-time, structured operational data, enabling spontaneous, natural language conversations that accelerate decision-making, improve agility in unexpected sit

**Market Segment:** 50% Enterprise, 36% Mid-Market

SG

Its relatively new and well maintained with active support . &nbsp;&nbsp;&nbsp;&nbsp;Based on Java &nbsp;&nbsp;&nbsp;&nbsp;Ability to load balance , replication and failover...[Read review](https://www.g2.com/products/gigaspaces/reviews/gigaspaces-review-4244296)

FW

Easy to start using the solution to prototype and test new ideas. Simplicity to add new features to the first solution delivered to answer new...[Read review](https://www.g2.com/products/gigaspaces/reviews/gigaspaces-review-4715813)

Year Founded
2000

HQ Location
New York City, NY, USA

Company Website
https://www.gigaspaces.com

Twitter
@GigaSpaces

LinkedIn® Page
https://www.linkedin.com/company/25628/

### [Harper](https://www.g2.com/products/harper/reviews)

[By HarperDB](https://www.g2.com/sellers/harperdb)

[

(4)4.8 out of 5
](https://www.g2.com/products/harper/reviews#reviews "Read Harper Reviews")

Product Description

HarperDB eliminates the complexity typically synonymous with distributed services by combining an ultra-fast document-style data store, in-memory cache, real-time message broker, and your application

**Market Segment:** 50% Enterprise, 50% Small-Business

 ![Dan A.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Dan A.")
DA

I've used harperDB for a couple of apps. They provide a user-friendly dashboard UI where I can manage db clusters, schemas and tables, and have...[Read review](https://www.g2.com/products/harper/reviews/harper-review-7265649)

Year Founded
2017

HQ Location
Denver, US

Company Website
https://www.harpersystems.dev/

LinkedIn® Page
https://www.linkedin.com/company/harpersystems/

### [Hazelcast Platform](https://www.g2.com/products/hazelcast-platform/reviews)

[By Hazelcast](https://www.g2.com/sellers/hazelcast-9a5fe385-0ae1-4f16-99b0-f9f0ee1a4194)

[

(13)4.3 out of 5
](https://www.g2.com/products/hazelcast-platform/reviews#reviews "Read Hazelcast Platform Reviews")

Product Description

Hazelcast Platform is the Live Data Platform that delivers data at the speed of relevance, providing the in‑memory foundation for applications that act on data the instant it's created—ensuring busine

**Market Segment:** 54% Small-Business, 23% Mid-Market

 ![Verified User in Marketing and Advertising](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Marketing and Advertising")
UM

I love the small memory of the library I embedded (since I have many issues with the memory of my pc). It is also very fast and not complex at...[Read review](https://www.g2.com/products/hazelcast-platform/reviews/hazelcast-platform-review-4512406)

 ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software")
UC

I like Hazelcast being configurable to auto back-up features of it. When one of your hazelcast instance is down, remaining instances in the cluster...[Read review](https://www.g2.com/products/hazelcast-platform/reviews/hazelcast-platform-review-4545874)

Year Founded
2010

HQ Location
Palo Alto, US

Company Website
https://hazelcast.com/

Twitter
@hazelcast

LinkedIn® Page
https://www.linkedin.com/company/hazelcast/

[![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)