List of the Top 4 Query Engines for Confluent in 2025

StarTree Cloud functions as a fully-managed platform for real-time analytics, optimized for online analytical processing (OLAP) with exceptional speed and scalability tailored for user-facing applications. Leveraging the capabilities of Apache Pinot, it offers enterprise-level reliability along with advanced features such as tiered storage, scalable upserts, and a variety of additional indexes and connectors. The platform seamlessly integrates with transactional databases and event streaming technologies, enabling the ingestion of millions of events per second while indexing them for rapid query performance. Available on popular public clouds or for private SaaS deployment, StarTree Cloud caters to diverse organizational needs. Included within StarTree Cloud is the StarTree Data Manager, which facilitates the ingestion of data from both real-time sources—such as Amazon Kinesis, Apache Kafka, Apache Pulsar, or Redpanda—and batch data sources like Snowflake, Delta Lake, Google BigQuery, or object storage solutions like Amazon S3, Apache Flink, Apache Hadoop, and Apache Spark. Moreover, the system is enhanced by StarTree ThirdEye, an anomaly detection feature that monitors vital business metrics, sends alerts, and supports real-time root-cause analysis, ensuring that organizations can respond swiftly to any emerging issues. This comprehensive suite of tools not only streamlines data management but also empowers organizations to maintain optimal performance and make informed decisions based on their analytics.

Timeplus is a robust and user-friendly stream processing platform that combines power with affordability. Packaged as a single binary, it allows for easy deployment across multiple environments. Targeted at data teams in various industries, it facilitates the rapid and intuitive processing of both streaming and historical data. With a streamlined design that eliminates the need for external dependencies, Timeplus provides extensive analytical capabilities for both types of data. Its pricing structure is remarkably economical, costing just a tenth of what comparable open-source solutions demand. Users can effortlessly transform real-time market and transaction data into actionable insights. The platform adeptly supports both append-only and key-value streams, making it particularly suited for financial information monitoring. Moreover, Timeplus simplifies the creation of real-time feature pipelines, enhancing its functionality. It serves as a comprehensive hub for managing all infrastructure logs, metrics, and traces, which are vital for ensuring observability. The user-friendly web console UI accommodates a wide range of data sources, while also allowing data to be pushed via REST API or to create external streams without data duplication. Overall, Timeplus stands out as a versatile and thorough solution for data processing, making it an excellent choice for organizations striving to improve their operational efficiency. Its innovative features set a new standard in stream processing technology.

Starburst enables organizations to strengthen their decision-making processes by granting quick access to all their data without the complications associated with transferring or duplicating it. As businesses gather extensive data, their analysis teams frequently experience delays due to waiting for access to necessary information for evaluations. By allowing teams to connect directly to data at its origin, Starburst guarantees they can swiftly and accurately analyze larger datasets without the complications of data movement. The Starburst Enterprise version offers a comprehensive, enterprise-level solution built on the open-source Trino (previously known as Presto® SQL), which comes with full support and is rigorously tested for production environments. This offering not only enhances performance and security but also streamlines the deployment, connection, and management of a Trino setup. By facilitating connections to any data source—whether located on-premises, in the cloud, or within a hybrid cloud framework—Starburst empowers teams to use their favored analytics tools while effortlessly accessing data from diverse locations. This groundbreaking strategy significantly accelerates the time it takes to derive insights, which is crucial for businesses striving to remain competitive in a data-centric landscape. Furthermore, with the constant evolution of data needs, Starburst adapts to provide ongoing support and innovation, ensuring that organizations can continuously optimize their data strategies.

Scale from zero to millions of events each second with Arroyo, which is provided as a single, efficient binary. It can be executed locally on MacOS or Linux for development needs and can be seamlessly deployed into production via Docker or Kubernetes. Arroyo offers a groundbreaking approach to stream processing that prioritizes the ease of real-time operations over conventional batch processing methods. Designed from the ground up, Arroyo enables anyone with a basic knowledge of SQL to construct reliable, efficient, and precise streaming pipelines. This capability allows data scientists and engineers to build robust real-time applications, models, and dashboards without requiring a specialized team focused on streaming. Users can easily perform operations such as transformations, filtering, aggregation, and data stream joining merely by writing SQL, achieving results in less than a second. Additionally, your streaming pipelines are insulated from triggering alerts simply due to Kubernetes deciding to reschedule your pods. With its ability to function in modern, elastic cloud environments, Arroyo caters to a range of setups from simple container runtimes like Fargate to large-scale distributed systems managed with Kubernetes. This adaptability makes Arroyo the perfect option for organizations aiming to refine their streaming data workflows, ensuring that they can efficiently handle the complexities of real-time data processing. Moreover, Arroyo’s user-friendly design helps organizations streamline their operations significantly, leading to an overall increase in productivity and innovation.