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When real-time actions on data have to be made

Nussknacker allows IT teams to hand over decision algorithms directly to users

Open source



Try it free

A visual tool

In domains where business logic is frequently modified and experimented upon

Experts build and deploy complex decision algorithms in a visual way

see live demo

No technical details exposed

Domain experts instruct the system on what to do without engineers’ help


An engineer selects the deployment engine and sets up data sources


A domain expert creates a flow diagram and tests it


The expert deploys the decision algorithm with one click and monitors metrics

Key features

Ease of use

  • flow diagrams for decision algorithms
  • powerful expression language
  • autocompletion and validation
  • testing and monitoring tools
  • REST (OpenAPI) and data base (JDBC) enrichments
  • ML models inferring enrichments
  • one-click deployment
  • version history

Deployment flexibility

  • running on Flink or K8s-based lightweight engine
  • Kafka® and HTTP interfaces
  • integrates with Kafka-compatible platforms like Confluent® Cloud, Azure Event Hubs® and Aiven® for Apache Kafka®
  • streaming and request-response modes
  • customisable and extensible
  • open source with enterprise extensions
  • on premises and cloud
A building block for

Real-time marketing

Communications with customers in real-time, providing event-driven offers and actions
Read a customer story

Fraud management

Mitigating fraud by running detection algorithms on network or device signals
Read a customer story

Next Best Action

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

Customer data processing

Decisioning on dynamic customer data in
- dynamic pricing
- order status management
- instant credit scoring

Internet of Things

Automating actionable data in
- predictive maintenance
- inventory management
- smart devices

ML models deployment

Infer Machine Learning models from within complex decision algorithms
Read a blog post

Customer Story

Nussknacker has been successfully used to run real-time marketing campaigns for a telecoms company, PLAY. Its usefulness has been clearly demonstrated as the scope of the implementation has been significantly extended.


Cloud, support, customisation.

See what we can do to help you get the most out of Nussknacker.

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