List of the Top 3 Real-Time Data Streaming Tools for DeltaStream in 2025

Apache Kafka® is a powerful, open-source solution tailored for distributed streaming applications. It supports the expansion of production clusters to include up to a thousand brokers, enabling the management of trillions of messages each day and overseeing petabytes of data spread over hundreds of thousands of partitions. The architecture offers the capability to effortlessly scale storage and processing resources according to demand. Clusters can be extended across multiple availability zones or interconnected across various geographical locations, ensuring resilience and flexibility. Users can manipulate streams of events through diverse operations such as joins, aggregations, filters, and transformations, all while benefiting from event-time and exactly-once processing assurances. Kafka also includes a Connect interface that facilitates seamless integration with a wide array of event sources and sinks, including but not limited to Postgres, JMS, Elasticsearch, and AWS S3. Furthermore, it allows for the reading, writing, and processing of event streams using numerous programming languages, catering to a broad spectrum of development requirements. This adaptability, combined with its scalability, solidifies Kafka's position as a premier choice for organizations aiming to leverage real-time data streams efficiently. With its extensive ecosystem and community support, Kafka continues to evolve, addressing the needs of modern data-driven enterprises.

Unveiling groundbreaking data streaming functionalities that transform customer interactions, the Kafka API integrates seamlessly with Redpanda, which is engineered for consistent low latencies while guaranteeing no data loss. Redpanda claims to surpass Kafka's performance by as much as tenfold, delivering enterprise-grade support along with prompt hotfixes. The platform features automated backups to S3 or GCS, liberating users from the tedious management tasks typically linked to Kafka. Furthermore, it accommodates both AWS and GCP environments, making it an adaptable option for a variety of cloud infrastructures. Designed for straightforward installation, Redpanda facilitates the quick launch of streaming services. Once you experience its remarkable performance, you will be ready to leverage its sophisticated features in live environments with confidence. We handle the provisioning, monitoring, and upgrades without needing your cloud credentials, thus protecting your sensitive information within your own environment. Your streaming setup will be efficiently provisioned, managed, and maintained, with options for customizable instance types tailored to meet your unique demands. As your needs change, expanding your cluster is both easy and effective, ensuring you can grow sustainably while maintaining high performance. With Redpanda, businesses can fully focus on innovation without the burden of complex infrastructure management.

Apache Flink is a robust framework and distributed processing engine designed for executing stateful computations on both continuous and finite data streams. It has been specifically developed to function effortlessly across different cluster settings, providing computations with remarkable in-memory speed and the ability to scale. Data in various forms is produced as a steady stream of events, which includes credit card transactions, sensor readings, machine logs, and user activities on websites or mobile applications. The strengths of Apache Flink become especially apparent in its ability to manage both unbounded and bounded data sets effectively. Its sophisticated handling of time and state enables Flink's runtime to cater to a diverse array of applications that work with unbounded streams. When it comes to bounded streams, Flink utilizes tailored algorithms and data structures that are optimized for fixed-size data collections, ensuring exceptional performance. In addition, Flink's capability to integrate with various resource managers adds to its adaptability across different computing platforms. As a result, Flink proves to be an invaluable resource for developers in pursuit of efficient and dependable solutions for stream processing, making it a go-to choice in the data engineering landscape.