List of the Top 25 SaaS Key-Value Databases in 2025

InterSystems IRIS is a cloud-centric data platform that functions as a versatile database management system, an application development environment, an interoperability framework, and an open analytics solution. It provides a range of APIs enabling users to handle transactional persistent data across various formats, including key-value pairs, relational and object structures, documents, and multidimensional data. Users can manage this data using several programming languages, such as SQL, Java, Node.js, .NET, C++, Python, as well as the native ObjectScript language for server-side applications. With an integrated interoperability engine and modules specifically designed for developing AI applications, InterSystems IRIS enhances functionality and integration capabilities. Additionally, it supports horizontal scalability through methods like sharding and ECP, alongside High Availability options that encompass business intelligence, robust transaction support, and comprehensive backup solutions. This multifaceted approach positions InterSystems IRIS as a leading choice for organizations seeking to optimize their data management and application development processes.

BangDB integrates artificial intelligence, streaming functions, graph capabilities, and analytics within its database architecture, enabling users to efficiently manage a diverse array of complex data types such as text, images, videos, and objects for real-time processing and analysis. Users have the ability to stream or ingest any form of data, conduct processing, train models, generate predictions, uncover patterns, and automate responses, which supports a multitude of applications including IoT monitoring, fraud detection, log analysis, lead generation, and tailored user experiences. As the need for simultaneous handling of varied data types intensifies to meet specific challenges, BangDB provides support for a broad spectrum of data formats, equipping users to address issues with confidence. The growing importance of real-time data drives the necessity for effective streaming solutions and predictive analytics, which are essential for enhancing business operations and helping organizations remain agile in response to evolving demands. This cohesive strategy not only simplifies workflows but also encourages the development of innovative solutions across multiple industries, ultimately leading to improved operational efficiency. Furthermore, by leveraging these advanced capabilities, businesses can harness insights that drive smarter decision-making and foster a competitive edge in the marketplace.

Redis Labs serves as the official home of Redis, showcasing its leading product, Redis Enterprise, which is recognized as the most advanced version of Redis. Offering much more than mere caching capabilities, Redis Enterprise is accessible for free in the cloud, delivering NoSQL solutions and utilizing the fastest in-memory database available. The platform is designed for scalability and enterprise-level resilience, enabling massive scaling along with user-friendly administration and operational efficiency. Notably, Redis in the Cloud has gained popularity among DevOps professionals due to its capabilities. Developers benefit from advanced data structures and a broad range of modules, empowering them to foster innovation and achieve quicker time-to-market. Chief Information Officers appreciate the robust security and reliable expert support that Redis provides, ensuring an impressive uptime of 99.999%. For scenarios involving active-active configurations, geodistribution, and conflict resolution with read/write operations across multiple regions on the same dataset, relational databases are recommended. Furthermore, Redis Enterprise facilitates various flexible deployment options, making it adaptable to different environments. The ecosystem also includes Redis JSON, Redis Java, and Python Redis, along with best practices for Redis on Kubernetes and GUI management, solidifying its versatility in modern application development.

Amazon DynamoDB is a highly adaptable key-value and document database that delivers outstanding single-digit millisecond response times, no matter the scale of operations. As a completely managed service, it ensures multi-region, multimaster durability while incorporating robust security features, alongside backup and restore options, and in-memory caching tailored for applications that operate on an internet scale. It boasts the capability to manage over 10 trillion requests each day and can accommodate peak loads that exceed 20 million requests per second, making it suitable for various business needs. Numerous notable organizations, including Lyft, Airbnb, and Redfin, as well as large corporations like Samsung, Toyota, and Capital One, depend on DynamoDB for their essential operations, taking advantage of its impressive scalability and performance. This reliance enables companies to focus on driving innovation without the hassle of managing operational complexities. You can also create an engaging gaming platform that handles player information, session histories, and leaderboards for millions of concurrent users without any degradation in performance. Furthermore, it supports the development of design patterns applicable to numerous applications such as shopping carts, workflow engines, inventory management systems, and customer profiles, proving its versatility. DynamoDB is adept at managing high-traffic, large-scale events seamlessly, establishing it as a prime choice for contemporary applications aiming to thrive in a competitive digital landscape. Its features not only enhance operational efficiency but also empower developers to create more dynamic and responsive user experiences.

IBM Cloud Databases act as open-source data storage solutions specifically designed for enterprise application development. Utilizing a Kubernetes-based framework, these databases facilitate the creation of serverless applications. They are crafted to significantly improve storage and computational efficiency while eliminating the limitations common in single-server systems. Fully embedded within the IBM Cloud console, they provide a consolidated framework for consumption, pricing, and user engagement. The primary objective is to create a seamless experience for developers, which includes features like access control, backup orchestration, and encryption key management, along with extensive auditing, monitoring, and logging capabilities. This integrated system not only boosts usability but also allows developers to concentrate on crafting innovative applications without being burdened by infrastructure limitations. Ultimately, IBM Cloud Databases empower businesses to harness the full potential of their data-driven projects.

What contributes to the platform independence of eXtremeDB? It features a hybrid data storage approach, allowing for configurations that are entirely in-memory or fully persistent, as well as combinations of both, unlike many other IMDS databases. Additionally, eXtremeDB incorporates its proprietary Active Replication Fabric™, enabling not only bidirectional replication but also multi-tier replication, which can optimize data transfer across various network conditions through built-in compression techniques. Furthermore, it offers flexibility in structuring time series data by supporting both row-based and column-based formats, enhancing CPU cache efficiency. eXtremeDB can operate as either a client/server architecture or as an embedded system, providing adaptable and speedy data management solutions. With its design tailored for resource-limited, mission-critical embedded applications, eXtremeDB is utilized in over 30 million deployments globally, ranging from routers and satellites to trains and stock market operations, showcasing its versatility across diverse industries.

LeanXcale is an innovative database solution that combines the strengths of traditional SQL and NoSQL systems to deliver exceptional scalability. It is engineered to process substantial amounts of both batch and real-time data streams, making this data readily available via SQL or GIS for a variety of applications, such as operational management, analytical tasks, dashboard generation, or machine learning initiatives. Regardless of the existing technology infrastructure, LeanXcale provides users with the versatility of both SQL and NoSQL interfaces. Central to its architecture is the KiVi storage engine, which operates as a relational key-value data store, allowing data access through not just the standard SQL API but also a direct key-value interface that complies with ACID principles. This unique key-value interface promotes rapid data ingestion, significantly improving efficiency by removing the burdens typically linked with SQL processing. In addition, its highly scalable and distributed storage system disperses data throughout the cluster, thus boosting performance and reliability while easily adapting to increasing data requirements. Users will find that the combination of these features makes LeanXcale a compelling choice for modern data management solutions.

Presenting Speedb, an advanced key-value storage engine that seamlessly integrates with RocksDB, providing significant improvements in stability, efficiency, and overall performance. Joining the Hive, Speedb's vibrant open-source community, offers opportunities to connect with others for refining techniques and sharing insights related to RocksDB. Speedb is an excellent option for those currently using LevelDB and RocksDB who aim to enhance their application capabilities. If your operations involve event streaming services like Kafka, Flink, Spark, Splunk, or Elastic, adding Speedb can lead to remarkable performance enhancements. The escalating amount of metadata in modern datasets presents considerable performance hurdles for numerous applications, yet Speedb enables you to manage costs effectively while ensuring your applications function smoothly, even under high loads. When deliberating on whether to upgrade or adopt a new key-value storage solution for your setup, Speedb is fully prepared to fulfill your requirements. By incorporating Speedb's advanced storage technology into your initiatives, you will quickly observe notable improvements in both performance and efficiency, allowing you to concentrate on driving innovation rather than dealing with technical issues. Furthermore, Speedb's design prioritizes adaptability, making it an ideal choice for evolving project needs.

Dragonfly acts as a highly efficient alternative to Redis, significantly improving performance while also lowering costs. It is designed to leverage the strengths of modern cloud infrastructure, addressing the data needs of contemporary applications and freeing developers from the limitations of traditional in-memory data solutions. Older software is unable to take full advantage of the advancements offered by new cloud technologies. By optimizing for cloud settings, Dragonfly delivers an astonishing 25 times the throughput and cuts snapshotting latency by 12 times when compared to legacy in-memory data systems like Redis, facilitating the quick responses that users expect. Redis's conventional single-threaded framework incurs high costs during workload scaling. In contrast, Dragonfly demonstrates superior efficiency in both processing and memory utilization, potentially slashing infrastructure costs by as much as 80%. It initially scales vertically and only shifts to clustering when faced with extreme scaling challenges, which streamlines the operational process and boosts system reliability. As a result, developers can prioritize creative solutions over handling infrastructure issues, ultimately leading to more innovative applications. This transition not only enhances productivity but also allows teams to explore new features and improvements without the typical constraints of server management.

Aerospike stands out as a leading provider of cutting-edge, real-time NoSQL data solutions that effectively handle vast amounts of data. By addressing complex data challenges, Aerospike enables enterprises to remain competitive while significantly reducing costs and simplifying the processes that legacy NoSQL databases typically present. Their innovative Hybrid Memory Architecture™ is a patented advancement that maximizes the capabilities of contemporary hardware, allowing businesses to derive exceptional value from extensive data across various environments, including edge, core, and cloud settings. With Aerospike, clients can swiftly tackle issues like fraud, enhance shopping experiences with larger cart sizes, establish global digital payment systems, and deliver personalized experiences to millions in real-time. Notable clients include Airtel, Banca d'Italia, Snap, Verizon Media, Wayfair, PayPal, and Nielsen. The company is headquartered in Mountain View, California, with additional offices in London, Bengaluru, and Tel Aviv, ensuring a global presence to support its diverse clientele.

InterSystems Cache® is a robust database solution that supports transaction processing applications worldwide. Its versatility enables it to be utilized in a diverse range of applications, from navigating the vastness of the Milky Way by mapping stars to executing an astounding trillion equity trades daily and overseeing intelligent energy grids. Cache is crafted by InterSystems as a multi-model database management system (DBMS) and application server, accommodating various data models including object-relational and key-value formats. Offering a plethora of APIs, InterSystems Cache allows concurrent data manipulation across several formats, such as key/value, relational/object, document, multidimensional, and more. Users can manage data seamlessly using a wide array of programming languages, including SQL, Java, Node.js, .NET, C++, and Python. Additionally, Cache features an integrated application server that enables the hosting of web applications, supporting various access protocols like CSP, REST, and SOAP, ensuring efficient interaction with Cache data. This multifaceted approach allows developers to create innovative solutions that can scale with their needs.

This powerful enterprise framework, designed on Apache Ignite, offers exceptional in-memory speed and impressive scalability tailored for applications that handle large volumes of data, providing real-time access across a range of datastores and applications. The transition from Ignite to GridGain is seamless, requiring no alterations to your code, which facilitates the secure deployment of clusters globally without any downtime. Furthermore, you can perform rolling upgrades on production clusters without compromising application availability, while also enabling data replication across diverse geographical data centers to effectively distribute workloads and reduce potential outages in particular areas. Your data is safeguarded both during storage and transmission, with stringent adherence to security and privacy standards ensured. Integration with your organization’s current authentication and authorization systems is simple, and you can activate comprehensive auditing for data usage and user actions. Moreover, automated schedules can be set up for both full and incremental backups, making it possible to restore your cluster to its optimal state using snapshots and point-in-time recovery. Beyond simply fostering efficiency, this platform significantly boosts resilience and security in all aspects of data management, ultimately leading to better operational stability. This comprehensive approach ensures that your organization can confidently manage its data while maintaining a competitive edge.

ScyllaDB is an exemplary database solution tailored for applications that require exceptional performance and low latency, specifically addressing the needs of data-heavy operations. It enables teams to leverage the increasing processing power of contemporary infrastructures, effectively eliminating barriers to scaling as data volumes grow. Unlike traditional database systems, ScyllaDB is a distributed NoSQL database that ensures complete compatibility with both Apache Cassandra and Amazon DynamoDB, while also featuring innovative architectural advancements that enhance user experience at significantly lower costs. More than 400 pioneering companies, such as Disney+ Hotstar, Expedia, FireEye, Discord, Zillow, Starbucks, Comcast, and Samsung, depend on ScyllaDB to meet their complex database challenges. In addition to its robust capabilities, ScyllaDB is available in multiple formats, including a free open-source edition, a fully-supported enterprise version, and a managed database-as-a-service (DBaaS) that operates across various cloud platforms, providing flexibility to suit a wide array of user requirements. This adaptability not only positions ScyllaDB as a leading choice but also encourages organizations to enhance their database performance and efficiency in an increasingly data-driven landscape.

Berkeley DB consists of a collection of embedded key-value database libraries designed to provide scalable and high-performance data management capabilities for a wide array of applications. The libraries feature simple function-call APIs that facilitate efficient data access and management. By leveraging Berkeley DB, developers can craft customized data management solutions that avoid the usual difficulties associated with bespoke projects. The library includes a variety of dependable building-block technologies that can be tailored to satisfy different application needs, whether for mobile devices or large-scale data centers, addressing both local storage requirements and global distribution challenges. This adaptability allows it to manage data volumes that span from kilobytes to petabytes. Consequently, Berkeley DB stands out as a favored option among developers seeking to implement effective data solutions, making it a versatile tool in the realm of data management. Its capability to cater to diverse environments further solidifies its reputation in the industry.

We offer a globally distributed, real-time database paired with stream processing and computational capabilities tailored for event-driven applications, leveraging an extensive network of up to 175 edge data centers worldwide. Our platform is highly valued by developers and API creators as it effectively resolves the intricate issues associated with managing shared mutable state across numerous locations, ensuring both strong consistency and low latency. Macrometa enables you to effortlessly enhance your current infrastructure by relocating parts of your application or the entire system closer to your users, thereby significantly improving performance, enriching user experiences, and ensuring compliance with international data governance standards. As a serverless, streaming NoSQL database, Macrometa includes built-in pub/sub features, stream data processing, and a robust compute engine. Users can establish a stateful data infrastructure, develop stateful functions and containers optimized for long-term workloads, and manage real-time data streams with ease. While you concentrate on your coding projects, we take care of all operational tasks and orchestration, allowing you to innovate without limitations. Consequently, our platform not only streamlines development but also enhances resource utilization across global networks, fostering an environment where creativity thrives. This combination of capabilities positions Macrometa as a pivotal solution for modern application demands.

InfinityDB Embedded serves as a NoSQL database crafted in Java, functioning as a hierarchical sorted key-value store. It boasts features such as exceptional performance, multi-core support, adaptability, and operation without maintenance. Alongside its embedded variant, InfinityDB has introduced an Encrypted database as well as a Client/Server database option. Feedback from users and performance assessments suggest that InfinityDB achieves leading performance within its category: its multi-core overlapping operations exhibit nearly linear scalability as thread count increases, utilize equitable scheduling, and experience minimal interference between threads. Additionally, the performance for random I/O enhances logarithmically with file size, without any maximum size limitation, while caches grow only when necessary and are efficiently organized. Remarkably, accessing the database is immediate, even after an unforeseen shutdown, which guarantees minimal downtime and rapid recovery. These remarkable qualities position InfinityDB as an excellent option for developers who prioritize both reliability and speed in their database applications, making it a compelling choice in the competitive landscape of database solutions.

Establishing an instance with openredis is designed to be efficient and uncomplicated, as we handle all the intricate processes for you. You just need to choose a plan that aligns with your needs, and you have the flexibility to upgrade to a larger plan whenever you find it necessary. When you upgrade, a new instance will be generated and synchronized with your current setup, while your existing instance will continue to operate for one hour, minimizing any potential disruptions during the transition. In the face of anticipated severe weather or natural disasters, we take preventive measures by creating extra replicas across various regions to ensure uninterrupted service. Our primary aim is to provide the most reliable hosting solutions possible. Each plan comes with a backup replica that automatically assumes the role of the primary instance if your original instance goes offline, facilitating a swift restoration of service redundancy, often within just a few minutes. We prioritize delivering a consistently seamless experience for our customers, ensuring that performance is maintained without interruption. With these provisions in place, you can trust that your hosting needs are well taken care of.

Smart DIH is a robust data management solution that efficiently provides applications with precise, up-to-date, and comprehensive data, ensuring excellent performance, minimal latency, and a continuously available digital experience. By separating APIs from systems of record, Smart DIH replicates essential data and makes it accessible through an event-driven framework. This innovative approach allows for significantly reduced development timelines for new digital services and enables the platform to effortlessly accommodate millions of simultaneous users, regardless of the underlying IT infrastructure or cloud configurations. On the other hand, XAP Skyline stands out as a distributed in-memory development platform that guarantees transactional integrity while delivering high-speed event-driven processing with microsecond response times. It powers critical business applications that depend on real-time data, such as online trading systems, immediate risk assessment, and data processing for artificial intelligence and advanced language models. This combination of capabilities makes both platforms essential for modern digital enterprises aiming for agility and efficiency.

Tablestore enables seamless expansion in both data capacity and access concurrency through the implementation of data sharding and server load balancing technologies, which facilitate the efficient storage and rapid retrieval of large amounts of structured data. It guarantees high consistency and exceptional reliability by maintaining three copies of data, ensuring robust service availability. The system is equipped with comprehensive and incremental data tunnels that integrate smoothly with various products aimed at extensive data analysis and real-time streaming computation. Featuring a distributed architecture, Tablestore supports automatic scaling for individual tables, allowing for the accommodation of up to 10 petabytes of data while handling millions of concurrent accesses. Moreover, it incorporates multi-dimensional and multi-level security protocols alongside resource access management to safeguard data effectively. The combination of low latency and high concurrency, along with elastic resource allocation and a Pay-As-You-Go pricing structure, enhances the operational efficiency of risk management systems, allowing them to maintain strict oversight of transaction-related risks while adapting to evolving needs. Consequently, this capability ensures that organizations are well-equipped to respond promptly to market changes and sustain their operational resilience in a dynamic environment. Ultimately, Tablestore's features position it as a vital solution for businesses seeking to optimize their data management strategies.

Couchbase sets itself apart from other NoSQL databases by providing an enterprise-level, multicloud to edge solution that is packed with essential features for mission-critical applications, built on a platform known for its exceptional scalability and reliability. This distributed cloud-native database functions effortlessly within modern, dynamic environments, supporting any cloud setup, from customer-managed to fully managed services. By utilizing open standards, Couchbase effectively combines the strengths of NoSQL with the familiar aspects of SQL, which aids organizations in transitioning smoothly from traditional mainframe and relational databases. Couchbase Server acts as a flexible, distributed database that merges the relational database advantages, such as SQL and ACID transactions, with the flexibility of JSON, all while maintaining high-speed performance and scalability. Its wide-ranging applications serve various sectors, addressing requirements like user profiles, dynamic product catalogs, generative AI applications, vector search, rapid caching, and much more, thus proving to be an indispensable resource for organizations aiming for enhanced efficiency and innovation. Additionally, its ability to adapt to evolving technologies ensures that users remain at the forefront of their industries.

Azure Cosmos DB is a fully managed NoSQL database solution tailored for modern application development, delivering guaranteed response times in just a few milliseconds and boasting an impressive availability rate of 99.999%, as outlined in its service level agreements (SLAs). It offers automatic scaling and is compatible with popular open-source APIs such as MongoDB and Cassandra, allowing developers to utilize familiar tools with ease. With its turnkey multi-master global distribution, users benefit from swift read and write operations from virtually anywhere across the globe. Additionally, it empowers organizations to reduce the time needed for insights by enabling near-real-time analytics and artificial intelligence on the operational data stored within Azure Cosmos DB. The integration with Azure Synapse Link also streamlines the connection to Azure Synapse Analytics, facilitating efficient data analysis without requiring data movement or affecting the operational data store's performance. This robust set of features positions Azure Cosmos DB as an exceptional choice for developers seeking both high performance and reliability in their applications, making it an invaluable resource in the realm of cloud databases. Ultimately, organizations leveraging this technology can enhance their operational efficiency and drive innovation more effectively.

Google Cloud Bigtable is a robust NoSQL data service that is fully managed and designed to scale efficiently, capable of managing extensive operational and analytical tasks. It offers impressive speed and performance, acting as a storage solution that can expand alongside your needs, accommodating data from a modest gigabyte to vast petabytes, all while maintaining low latency for applications as well as supporting high-throughput data analysis. You can effortlessly begin with a single cluster node and expand to hundreds of nodes to meet peak demand, and its replication features provide enhanced availability and workload isolation for applications that are live-serving. Additionally, this service is designed for ease of use, seamlessly integrating with major big data tools like Dataflow, Hadoop, and Dataproc, making it accessible for development teams who can quickly leverage its capabilities through support for the open-source HBase API standard. This combination of performance, scalability, and integration allows organizations to effectively manage their data across a range of applications.

Amazon ElastiCache provides users with a simple way to set up, oversee, and scale popular open-source in-memory data stores in a cloud setting. Aimed at data-intensive applications, it boosts the performance of current databases by facilitating quick data access through high-throughput, low-latency in-memory storage solutions. This service is particularly trusted for real-time use cases, including caching, session management, gaming, geospatial services, real-time analytics, and queuing systems. With fully managed options for both Redis and Memcached, Amazon ElastiCache meets the demands of even the most resource-intensive applications that require response times in the sub-millisecond range. Serving as both an in-memory data store and a caching mechanism, it adeptly supports applications that require swift data access. By utilizing a fully optimized infrastructure on dedicated customer nodes, Amazon ElastiCache guarantees secure and remarkably fast performance for its users. As a result, organizations can confidently depend on this powerful service to sustain peak speed and efficiency in their data-centric operations. Moreover, its scalability allows businesses to adapt to fluctuating demands without compromising performance.

Symas LMDB stands out as a remarkably fast and memory-efficient database created specifically for the OpenLDAP Project. By employing memory-mapped files, it combines the rapid read capabilities typical of purely in-memory databases with the durability characteristic of traditional disk-based systems. Notably, despite its small footprint of just 32KB of object code, LMDB delivers exceptional performance; it truly exemplifies the ideal 32KB solution. The efficiency and compact design of LMDB are crucial to its outstanding functionality. For developers looking to implement LMDB in their projects, Symas offers fixed-price commercial support that enhances the integration process. Ongoing development is actively pursued in the mdb.master branch of the OpenLDAP Project’s git repository, ensuring that it remains current and effective. Furthermore, LMDB has gained recognition in a variety of notable products and scholarly articles, underscoring its adaptability and efficacy in different applications. This widespread acclaim reinforces LMDB’s reputation as an essential asset for developers in the tech community. Additionally, its unique features continue to attract interest from developers seeking robust database solutions.

TerarkDB stands out as Terark's premier product, serving as an optimized version of RocksDB that incorporates unique Terark algorithms. These algorithms empower TerarkDB to surpass the traditional RocksDB in both data storage capacity and retrieval speed, achieving performance enhancements that can exceed three times the storage capability and more than ten times the access speed on the same hardware. Moreover, TerarkDB is fully binary compatible with the official RocksDB, facilitating a smooth transition for users. In forking RocksDB, we have made specific alterations to enhance performance based on our algorithms, which are available as a submodule referred to as rocksdb. Notably, these enhancements retain all existing RocksDB APIs and do not add any new dependencies; for example, TerarkDB functions independently of TerarkZipTable, allowing it to operate just like the official RocksDB without requiring any alterations in other components. This compatibility not only streamlines integration but also appeals to users who desire improved performance while retaining the familiar interface of RocksDB. With its impressive capabilities and seamless adaptability, TerarkDB emerges as a compelling choice for those aiming to elevate their database performance.