Yupiik Open source

Open source. Built by engineers.

Build boldly.
Ship openly.

Pragmatic open source tools for Java, Kubernetes, AI integrations, and data engineering.

Explore the projects Discover the ecosystem

Java / Cloud Native / AI / Data

Made for developersJavaKubernetesMCPApache Hop

02 / The ecosystem

Find your next
building block.

Explore projects by domain. Every tool links directly to its documentation and source.

Java & Frameworks

Yupiik Fusion

Build APIs and microservices with a lightweight Java framework, dependency injection and GraalVM support.

  • Java
  • GraalVM
DocumentationGitHub

Java & Frameworks

Yupiik Batch

Write Java batch jobs with a fluent API for mapping models and computing differences between datasets.

  • Java
  • Batch processing
DocumentationGitHub

Cloud Native

Yupiik BundleBee

Package Kubernetes resources into reusable bundles and deploy them with a Java command-line tool.

  • Kubernetes
  • Java
DocumentationGitHub

Cloud Native

Kubernetes Java Descriptors

Create Kubernetes manifests with typed Java bindings and fluent builders, and reuse descriptor logic across projects.

  • Java
  • Kubernetes
DocumentationGitHub

AI & Agents

Fusion MCP Server

Expose Java methods as Model Context Protocol tools using Fusion's JSON-RPC API and MCP annotations.

  • Java
  • MCP
  • JSON-RPC
DocumentationGitHub

Data Engineering

Hop Maven Plugin

Run Apache Hop pipelines and workflows, create diagrams and documentation, and assemble Hop distributions from Maven.

  • Apache Hop
  • Maven
  • Java
DocumentationGitHub

Data Engineering

Hop JUnit

Test Apache Hop pipelines and workflows with JUnit 5 extensions, fixtures and database assertions.

  • Apache Hop
  • JUnit 5
  • Java
DocumentationGitHub

Developer Tools

Yupiik Logging

Configure Java Util Logging with additional formatters and handlers, including runtime reconfiguration with GraalVM.

  • Java
  • JUL
  • GraalVM
DocumentationGitHub

Developer Tools

Yupiik Tools

Automate developer tasks with Maven goals for documentation, slides and Git reports, plus Java command-line tools.

  • Java
  • Maven
DocumentationGitHub

03 / Join the community

Open tools. Open ideas.
Open to contribution.

Explore the source, share feedback in a project's issue tracker, or contribute to the tools you use. Start with each repository's contribution and license guidance.

Explore Yupiik on GitHub