Example implementation of the Saga pattern for the classic trip booking example using the lightweight open source workflow engine (Camunda) and C#.

Golang framework for robotics, drones, and the Internet of Things (IoT)

Distributed reliable key-value store for the most critical data of a distributed system

Arelle open source XBRL platform

A DSL for data-driven computational pipelines

Java DSL for easy testing of REST services

Layout and functional testing framework for websites

Showcase of Javascript Galen tests

Lightweight analytics reporting and publishing tool for Google Analytics data. Powers https://analytics.usa.gov, http://analytics.phila.gov, http://analytics.cityofsacramento.org, and more.

Example code for my building and deploying microservices with event sourcing, CQRS and Docker presentation

Programmatic load balancer backed by Etcd

The open-source database for the realtime web.

Zipkin is a distributed tracing system

Single file httpd.conf configuration file for Apache HTTPD Server.

Extract text from a pdf

A showcase of Maven + TestNG + Galen usage

Microservices with Netflix Eureka and Zuul server

Advanced manager and monitor for Apache Tomcat, forked from Lambda Probe

Pinpoint is an open source APM (Application Performance Management) tool for large-scale distributed systems written in Java.

A bunch of fancy soft string matching routines, with some accompanying datasets

React Components that Implement Google's Material Design.

The OWASP ZAP core project

Mirror of Apache Tomee

Tesseract Open Source OCR Engine (main repository)

📈 Capturing JVM- and application-level metrics. So you know what's going on.

Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.

Benchmarks for Low Latency (Streaming) solutions including Apache Storm, Apache Spark, Apache Flink, ...