Simplify Kafka Processing With Drag-and-Drop Power

Low-Code Apache Kafka Stream Processing

Empower teams to collaborate effortlessly with Nussknacker. Blend technical and domain expertise to visually design, deploy, and refine Kafka stream processes using a low-code approach.

Integration of Apache Kafka with Nussknacker for real-time stream processing and automation.
About Apache Kafka

What is Apache Kafka?

Kafka is a powerful open-source event-streaming platform built to process and manage real-time data at scale. Designed for high performance, low-latency and fault tolerance data pipelines and applications. Kafka enables the seamless flow of data between systems, making it a cornerstone for event-driven architectures and real-time analytics. It excels at capturing, storing, and processing massive streams of events with unmatched reliability.

Read more about Apache Kafka →

Code or SQL?

Should you code services or use SQL in your Apache Kafka applications?

Custom Code

Hidden Complexities of Coding

Coding streaming processing with Apache Kafka may seem manageable at first, but hidden challenges can quickly turn it into a complex and resource-intensive task. From costly expertise to the intricacies of event-driven systems, these challenges can delay projects and increase operational difficulties.

What makes streaming coding hard to manage?

  • complex event-driven architecture: designing event-driven systems for real-time processing is complex and error-prone,
  • integration challenges: connecting Kafka to external systems often requires custom connectors and complex logic, increasing effort and maintenance,
  • lengthy development process: building new or making changes to existing streaming processes takes time, but businesses can't afford delays,
  • schema evolution and compatibility: managing schema changes without breaking consumers is difficult in large, evolving pipelines,
  • tooling limitations: Kafka's built-in monitoring and management tools are often insufficient, requiring teams to build additional custom tools.
Long Java code in stream processing
Streaming SQL

Is SQL Good Enough?

While SQL is a widely recognized and valuable tool for data processing, it often falls short when tackling the complexities of modern Kafka streaming processing applications.

When SQL reaches its limits in Kafka stream processing

  • complex business logic: multi-step transformations can grow into thousands of lines, becoming hard to maintain,
  • error handling and recovery: lacks of native support for retries, compensating actions, or dead-letter queues,
  • stateful processing: managing state across events, such as sessionization or pattern detection, exceeds simple syntax,
  • external integrations: connecting to APIs or external systems requires capabilities beyond standard SQL,
  • performance tuning: optimizing resource-heavy operations in real-time requires fine-grained control,
  • flexibility: adapting to evolving requirements in a fast-moving environment can be challenging with SQL's rigid structure.

Streaming SQL Alternative

Long SQL queries in stream processing
The Third Option

Why not take the best of both and get ML integration without any extra effort?

Meet Nussknacker

Low-Code Apache Kafka

Nussknacker is a low-code platform for building, deploying, and managing real-time data processing workflows. It simplifies complex stream processing by offering an intuitive drag-and-drop Kafka interface, eliminating the need for extensive coding.

With native support for Apache Kafka & Flink, real-time events can be enriched using REST APIs, database lookups and ML inference. Nussknacker enables teams to quickly create and adapt business logic, ensuring scalability and efficiency in handling dynamic data streams.

Read about product

Merge Multiple Kafka Streams by Key in Apache Flink
How It Works

Designed for Real-Time Kafka Processing

Nussknacker connects directly to Kafka topics and processes events as they arrive, without batch windows or delays.

Sources
  • Log Data
  • Kafka
  • Database CDC
Low latencyHigh throughput
Scenario Apache Kafka processing 5m+ events/s
Ingest
Enrich
Aggregate
Filter #aggr.sum > 1000
true Send message
false Publish
Enrichments
  • OpenAPI
  • DB Lookup
  • ML / LLM Platforms
Actions
Real-time notifications
  • AI Agents Pass context or trigger work
  • Online Services Trigger business actions
Always fresh data
  • Data Lakes Feed warehouses with data
  • Kafka Stream events
  • Dashboards Keep business metrics live
What You Get

Nussknacker features for Kafka stream processing

  • Visual flow diagrams for building decision algorithms in Nussknacker's real-time automation platform.

    Flow diagrams for decision algorithms

  • Simplify development with Nussknacker's powerful expression language for low-code stream processing.

    Less code with powerful expression language

  • Enhance accuracy with Nussknacker's intelligent autocompletion and real-time validation for stream processing.

    Autocompletion and validation

  • Track performance with Nussknacker's real-time monitoring and metrics for stream processing.

    Real-time monitoring and metrics

  • Quickly validate and debug workflows with Nussknacker's rapid testing tools for stream processing.

    Rapid testing tools

  • Seamlessly transfer workflows between environments with Nussknacker's easy migration feature.

    Easy migration across environments

  • Deploy workflows instantly with Nussknacker's one-click deployment feature.

    One-click process deployment

  • Track, review, and restore workflow versions with Nussknacker's version history management.

    Version history management

  • Extend and tailor Nussknacker to your needs with its customizable and extensible architecture.

    Customisable and extensible

  • Seamless REST API integration for real-time data processing and automation.

    Exposed REST API for automation and integration

  • Run workflows on Apache Flink or on Nussknacker's lightweight Kubernetes-based engine.

    Running on Flink or K8s-based lightweight engine

  • Real-time streaming data processing with Nussknacker for scalable event-driven workflows.

    Real-time event stream processing

  • Seamlessly integrate Nussknacker with Ververica for enterprise-grade Apache Flink stream processing.

    Integration with Ververica Platform

  • Seamless data streaming with Nussknacker's Kafka source and sink interfaces.

    Kafka® source and sink interfaces

  • Nussknacker integrates with Confluent Cloud, Azure Event Hubs, and Aiven for Apache Kafka for efficient stream processing.

    Integrates with Kafka-compatible platforms like Confluent® Cloud, Azure Event Hubs® and Aiven® for Apache Kafka®

  • Enhance workflows with REST (OpenAPI) and database (JDBC) enrichments in Nussknacker for seamless data integration.

    REST (OpenAPI) and data base (JDBC) enrichments

  • Integrate and enrich workflows with real-time ML model inference in Nussknacker.

    ML models inferring enrichments → how to?

  • Nussknacker combines open-source flexibility with powerful enterprise extensions for scalability and advanced features.

    Open source with enterprise extensions

  • Run Nussknacker on premises or in the cloud, where a trial is free for 3 months.

    On premises and cloud → play with it

Use Cases

Apache Kafka use cases

Real-time marketing

Communications with customers in real-time, providing event-driven offers and actions.

RTM System →

Fraud management

Mitigating fraud by running detection algorithms on network or device signals.

Fraud Platform →

Recommendation systems

Assisting the Point Of Sale, displaying suggestions about what to offer and how to proceed with a customer.

Next Best Action Assistance →

ML model deployment & inference

Infer machine learning models in real time from complex decision algorithms.

ML Inference →

Internet of Things

Automating actionable data in predictive maintenance, inventory management and smart devices.

IoT Data Processing →

Feature engineering pipelines

Streamline the creation and transformation of data features for machine learning models with Nussknacker.

OpenBanking Feature Engineering →

Your Visual Interface for Apache Kafka

Simplify stream processing with Nussknacker's low-code editor for Apache Kafka. Empower users to handle real-time streams without deep technical knowledge and make Kafka accessible to everyone. Contact us to start building your visual streaming solutions today.