List of the Top 19 Free Time Series Databases in 2025

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.

InfluxDB is a specialized data platform crafted to manage all types of time series data, encompassing users, sensors, applications, and infrastructure, allowing for the seamless collection, storage, visualization, and transformation of insights into actionable strategies. It features a comprehensive library of over 250 open-source Telegraf plugins, simplifying the process of importing and monitoring data from a variety of systems. By empowering developers, InfluxDB facilitates the creation of innovative IoT, monitoring, and analytics applications and services. Its adaptable architecture can accommodate various implementations, whether in the cloud, at the edge, or on-premises. Moreover, its versatility, ease of access, and an array of supporting tools such as client libraries and APIs enable developers of all experience levels to swiftly create applications and services utilizing time series data. The platform is optimized for enhancing developer productivity and efficiency, allowing builders to concentrate on the essential features that add value to their internal projects and provide their applications with a competitive advantage. To assist newcomers, InfluxData provides complimentary training through InfluxDB University, ensuring that anyone can quickly acquire the skills needed to leverage this powerful platform effectively.

Telegraf serves as an open-source server agent designed to efficiently gather metrics from various sensors, stacks, and systems. Acting as a plugin-centric agent, it not only collects but also transmits metrics and events from a diverse array of sources including systems, databases, and IoT devices. Engineered in Go, it compiles into a single binary, requiring no external dependencies and consuming minimal memory. Telegraf supports a vast range of input sources, allowing for the seamless writing of data to numerous output destinations. With its plugin architecture, it is effortlessly extendable for both data collection and output purposes. Additionally, Telegraf boasts over 300 plugins developed by community data experts, making the collection of metrics from your endpoints a straightforward task. This flexibility and community support make Telegraf an invaluable tool for monitoring and performance analysis.

VictoriaMetrics is an economical and scalable option for monitoring that also functions as a time series database. Additionally, it is suitable for the long-term storage of Prometheus data. This solution operates as a standalone executable without requiring any external dependencies. Configuration is managed through clear command-line flags along with sensible defaults. Notably, it offers a global query view, enabling multiple Prometheus instances or other data sources to input data into VictoriaMetrics. Users can later retrieve this data with a single query. It effectively addresses challenges related to high cardinality and high churn rates by implementing a series limiter, ensuring optimal performance and reliability. Furthermore, its user-friendly setup makes it accessible for a wide range of applications.

Instaclustr, a company focused on Open Source-as-a-Service, ensures dependable performance at scale. Our services encompass database management, search functionalities, messaging solutions, and analytics, all within a reliable, automated managed environment that has been tested and proven. By partnering with us, organizations can direct their internal development and operational efforts towards building innovative applications that enhance customer experiences. As a versatile cloud provider, Instaclustr collaborates with major platforms including AWS, Heroku, Azure, IBM Cloud, and Google Cloud Platform. In addition to our SOC 2 certification, we pride ourselves on offering round-the-clock customer support to assist our clients whenever needed. This comprehensive approach to service guarantees that our clients can operate efficiently and effectively in their respective markets.

Fauna serves as a data API designed to empower rich client applications utilizing serverless backends. It features a web-native interface that is compatible with GraphQL, allows for the implementation of custom business logic, and facilitates seamless integration within the serverless ecosystem, all while providing a reliable multi-cloud architecture that you can depend on and expand as needed. This versatility makes Fauna an attractive choice for developers looking to build scalable applications.

Elevate your monitoring and alerting strategies by utilizing a leading open-source tool known as Prometheus. This powerful platform organizes its data in the form of time series, which are essentially sequences of values linked to specific timestamps, metrics, and labeled dimensions. Beyond the stored time series, Prometheus can generate temporary derived time series based on the results of queries, enhancing versatility. Its querying capabilities are powered by PromQL (Prometheus Query Language), which enables users to real-time select and aggregate data from time series. The results from these queries can be visualized as graphs, presented in a table format via Prometheus's expression browser, or retrieved by external applications through its HTTP API. To configure Prometheus, users can employ both command-line flags and a configuration file, where flags define unchangeable system parameters such as storage locations and retention thresholds for disk and memory. This combination of configuration methods offers a customized monitoring experience that can accommodate a variety of user requirements. If you’re keen on delving deeper into this feature-rich tool, additional information is available at: https://sourceforge.net/projects/prometheus.mirror/. With Prometheus, you can achieve a level of monitoring sophistication that optimizes performance and responsiveness.

Riak® TS is a robust NoSQL Time Series Database tailored for handling IoT and Time Series data effectively. It excels at ingesting, transforming, storing, and analyzing vast quantities of time series information. Designed to outperform Cassandra, Riak TS utilizes a masterless architecture that allows for uninterrupted data read and write operations, even in the event of network partitions or hardware malfunctions. Data is systematically distributed across the Riak ring, with three copies of each dataset maintained by default to ensure at least one is available for access. This distributed system operates without a central coordinator, offering a seamless setup and user experience. The ability to easily add or remove nodes from the cluster enhances its flexibility, while the masterless architecture ensures this process is straightforward. Furthermore, incorporating nodes made from standard hardware can facilitate predictable and nearly linear scaling, making Riak TS an ideal choice for organizations looking to manage substantial time series datasets efficiently.

SiriDB is engineered for high-speed performance, ensuring that both data inserts and queries are processed rapidly. Its custom query language further accelerates development, allowing for more efficient coding. The flexibility of SiriDB enables on-the-fly scaling, which means you can expand your database without experiencing any downtime during updates. This capability ensures that the performance remains consistent even as your database grows. As it distributes your time series data across various pools, SiriDB optimally utilizes all available resources. Designed for exceptional performance, SiriDB minimizes downtime effectively. A cluster of SiriDB organizes time series data across several pools, each equipped with active replicas that facilitate load balancing and provide redundancy. Importantly, the database remains accessible even when one of the replicas is offline, ensuring continuity and reliability in data access. This architecture allows users to maintain high availability while benefiting from seamless scalability.

Decisions that are time-sensitive demand prompt consideration. With TRND, the duration of machine learning projects can be drastically shortened, taking mere minutes instead of dragging on for long periods, much like the speedy insights provided by Google's AI search engine. Financial setbacks often arise from inaccuracies, and unlike conventional KPIs, TRND uncovers significant patterns, revealing critical insights that traditional metrics may overlook. This innovative tool equips decision-makers by showcasing trends that indicate both emerging threats and opportunities in the market. In the current digital realm, possessing knowledge translates directly to a financial edge. TRND facilitates the development of shareable pattern libraries, enabling quick learning and application to improve business functions. Without thorough monitoring, businesses risk leaving potential profits on the table. TRND not only excels at pinpointing rare insights but also maintains a continual watch over all relevant indicators. The misconception that scaling efforts must involve high costs is dispelled by our pioneering search-based approach, which renders extensive micro-monitoring both practical and affordable. In summary, TRND transforms the way data is utilized, ensuring that companies remain competitive and proactively responsive in their strategies. By integrating such advanced tools, businesses can effectively navigate the complexities of their operational landscape.

IBM Informix® stands out as a versatile and effective database solution, seamlessly integrating SQL, NoSQL/JSON, time series, and spatial data. Its user-friendly interface and adaptability make it an ideal option for a variety of environments, encompassing large enterprise data warehouses and smaller application development initiatives. The database's compact design and self-managing capabilities make it especially beneficial for applications involving embedded data management. As the need for IoT data processing continues to grow, Informix addresses this demand with its hybrid architecture, which minimizes administrative overhead while maintaining a small memory footprint and providing substantial functionality. It is particularly adept at supporting multi-tiered architectures that require data processing across different levels, including devices, gateways, and cloud infrastructures. Additionally, Informix features native encryption to protect data both at rest and during transmission. Its support for flexible schemas, along with various APIs and configurations, further enhances its versatility, making Informix a fitting solution for contemporary data management challenges. The combination of these attributes positions Informix as a leading contender in the database landscape, capable of meeting the evolving needs of businesses and developers alike.

An enterprise-grade database designed for handling time series, documents, and vectors. It allows for the storage of diverse data types while merging the ease and scalability of NoSQL with the capabilities of SQL. CrateDB stands out as a distributed database that executes queries in mere milliseconds, no matter the complexity, data volume, or speed of incoming data. This makes it an ideal solution for organizations that require rapid and efficient data processing.

TimescaleDB stands out as the leading open-source relational database tailored for managing time-series data, offering both managed and self-hosted options. You can trust the familiar PostgreSQL foundation, enjoying complete SQL support alongside unmatched reliability and a vast ecosystem. With the capability to write millions of data points per node, it allows for horizontal scaling up to petabytes without the hassle of high cardinality concerns. This database minimizes complexity, enabling you to pose more questions and develop more sophisticated applications. By leveraging advanced algorithms, you can achieve impressive compression rates of 94-97%, along with various performance enhancements that lead to significant cost savings. As a modern cloud-native platform, it efficiently handles all aspects of time-series data storage. Built on PostgreSQL and TimescaleDB, it represents the fastest, simplest, and most dependable method for managing your time-series information. Furthermore, all observability data falls under the umbrella of time-series data, highlighting the importance of finding efficient solutions for addressing infrastructure and application challenges. By optimizing data management, businesses can unlock valuable insights and enhance their operational efficiency.

Cortex represents a cutting-edge open-source framework designed to boost horizontal scalability significantly. While Prometheus can efficiently process up to one million samples per second on a single server, Cortex allows for an almost infinite degree of horizontal expansion. In today's rapidly changing technological environment, exploring diverse strategies for monitoring individual virtual machines or servers becomes crucial. Prometheus offers a metrics system that is driven by service discovery and operates on a pull-based model, which effectively accommodates the dynamic nature of microservices. This feature ensures that monitoring can be conducted seamlessly across your entire infrastructure, no matter how many components are present. Users can modify their applications to produce specific metrics through the standard Prometheus client libraries, or take advantage of the extensive selection of Prometheus Exporters that can gather data from various software applications such as MySQL, Redis, Java, ElasticSearch, and more. By utilizing these powerful tools, organizations can achieve better oversight and management of their intricate infrastructures, which is essential in an era where technology is continuously evolving. This adaptability not only enhances operational efficiency but also empowers organizations to respond swiftly to emerging challenges.

Warp 10 is an adaptable open-source platform designed for the collection, storage, and analysis of time series and sensor data. Tailored for the Internet of Things (IoT), it features a flexible data model that facilitates a seamless workflow from data gathering to analysis and visualization, while incorporating geolocated data at its core through a concept known as Geo Time Series. The platform provides both a robust time series database and an advanced analysis environment, enabling users to conduct various tasks such as statistical analysis, feature extraction for model training, data filtering and cleaning, as well as pattern and anomaly detection, synchronization, and even forecasting. Additionally, Warp 10 is designed with GDPR compliance and security in mind, utilizing cryptographic tokens for managing authentication and authorization. Its Analytics Engine integrates smoothly with numerous existing tools and ecosystems, including Spark, Kafka Streams, Hadoop, Jupyter, and Zeppelin, among others. Whether for small devices or expansive distributed clusters, Warp 10 accommodates a wide range of applications across diverse sectors, such as industry, transportation, health, monitoring, finance, and energy, making it a versatile solution for all your data needs. Ultimately, this platform empowers organizations to derive meaningful insights from their data, transforming raw information into actionable intelligence.

Easily manage complex models with ArcadeDB without compromising on performance. There's no need to rely on Polyglot Persistence; you can store various data types without using multiple databases. In one ArcadeDB Multi-Model database, you can efficiently integrate graphs, documents, key-value pairs, and time series data seamlessly. Since each model is built directly into the database engine, worries about translation delays are a thing of the past. Designed with cutting-edge technology, ArcadeDB can handle millions of records per second effortlessly. A remarkable feature of ArcadeDB is its consistent traversal speed, which remains stable regardless of the database's size, whether it contains a handful of entries or billions. Additionally, ArcadeDB can function as an embedded database on a single server but is also capable of scaling across multiple servers with Kubernetes. Its adaptable nature allows it to run on any platform while using minimal resources. The security of your data is critical; our robust, fully transactional engine ensures durability for essential production databases. To maintain consistency across different servers, ArcadeDB utilizes a Raft Consensus Algorithm, guaranteeing that your data stays reliable and synchronized even in distributed settings. With ArcadeDB, you can effectively manage all your data requirements without the complications of handling multiple systems, ensuring a streamlined and efficient experience. Whether for small projects or large-scale applications, ArcadeDB provides the flexibility and performance needed to meet diverse data challenges.

An advanced parallel query engine enables efficient access to both time- and symbol-indexed data. It incorporates an upgraded SQL syntax that facilitates complex filtering and extensive aggregations. This innovative system merges diverse financial data types, including market quotes, trade transactions, snapshots, and reference information, into a unified database. Users can perform strategy backtesting with high-frequency datasets, engage in quantitative research, and analyze market microstructure dynamics. The platform offers in-depth transaction cost analysis alongside rollup reporting, which ensures a comprehensive understanding of trading activities. With integrated market surveillance features and anomaly detection tools, it enhances overall monitoring capabilities. It also has the capacity to break down opaque ETFs and ETNs while employing FAST, SBE, and proprietary protocols to boost performance. A straightforward text protocol simplifies usage, and both consolidated and direct data feeds are provided for seamless data ingestion. Additionally, built-in latency monitoring tools and extensive end-of-day data archives are part of the offering. The engine supports ETL processes from both institutional and retail financial data sources, and its parallel SQL engine comes with syntax extensions that allow for advanced filtering based on various parameters, such as trading sessions and auction stages. It further provides optimized calculations for OHLCV and VWAP metrics, enhancing analytical precision. An interactive SQL console with auto-completion features improves user interaction, while an API endpoint supports programmatic integration. Scheduled SQL reports can be generated with delivery options via email, file, or web, complemented by JDBC and ODBC drivers for wider accessibility.

Apache Druid stands out as a robust open-source distributed data storage system that harmonizes elements from data warehousing, timeseries databases, and search technologies to facilitate superior performance in real-time analytics across diverse applications. The system's ingenious design incorporates critical attributes from these three domains, which is prominently reflected in its ingestion processes, storage methodologies, query execution, and overall architectural framework. By isolating and compressing individual columns, Druid adeptly retrieves only the data necessary for specific queries, which significantly enhances the speed of scanning, sorting, and grouping tasks. Moreover, the implementation of inverted indexes for string data considerably boosts the efficiency of search and filter operations. With readily available connectors for platforms such as Apache Kafka, HDFS, and AWS S3, Druid integrates effortlessly into existing data management workflows. Its intelligent partitioning approach markedly improves the speed of time-based queries when juxtaposed with traditional databases, yielding exceptional performance outcomes. Users benefit from the flexibility to easily scale their systems by adding or removing servers, as Druid autonomously manages the process of data rebalancing. In addition, its fault-tolerant architecture guarantees that the system can proficiently handle server failures, thus preserving operational stability. This resilience and adaptability make Druid a highly appealing option for organizations in search of dependable and efficient analytics solutions, ultimately driving better decision-making and insights.