AutoMQ is a cloud-first alternative to Kafka by decoupling durability to S3 and EBS. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency.

Open-source vector similarity search for Postgres

Java SDK for the Model Context Protocol (MCP), providing seamless integration between Java and Spring applications and MCP-compliant AI models and tools.

Model Context Protocol Servers

Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation.

A rapid http(s) benchmark tool written in Go

HTTP(S) benchmark tools, testing/debugging, & restAPI (RESTful)

HTTP load generator, ApacheBench (ab) replacement

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

H2 is an embeddable RDBMS written in Java.

Compare JSON in your Unit Tests

https://openjdk.org/projects/code-tools/jcstress

Temporal service

⚡ Workflow Automation Platform. Orchestrate & Schedule code in any language, run anywhere, 500+ plugins. Alternative to Zapier, Rundeck, Camunda, Airflow...

Easy Setup Stub Server

Server-side and full stack development with Kotlin and WebAssembly leveraging WASI and Component Model

Sniffy - interactive profiler, testing and chaos engineering tool for Java

Most popular Mocking framework for unit tests written in Java

A Cloud Native Batch System (Project under CNCF)

📂 Web File Browser

Java library for creating text-based GUIs

Spring Batch is a framework for writing batch applications using Java and Spring

Homebrew, but with Docker images

The Java Multi-Cloud Toolkit

Access other storage backends via the S3 API

Yet Another Validation for Java (A lambda based type safe validation framework)

ClickHouse® is a real-time analytics DBMS