Zipkin is a distributed tracing system

Vert.x is a tool-kit for building reactive applications on the JVM

Logstash - transport and process your logs, events, or other data

A damn simple library for building production-ready RESTful web services.

Free and open log management

Lean & powerful HTTP apps

Ninja is a full stack web framework for Java. Rock solid, fast and super productive.

A platform for visualization and real-time monitoring of data workflows

An alerting dashboard for Graphite

Structr is an integrated low-code development and runtime environment that uses a graph database.

The metric correlation component of Etsy's Kale system

SAMOA (Scalable Advanced Massive Online Analysis) is an open-source platform for mining big data streams.

Mazerunner extends a Neo4j graph database to run scheduled big data graph compute algorithms at scale with HDFS and Apache Spark.

A language-agnostic as well as storage-agnostic web interface for storing data into persistent storage systems, the metadata layer abstracts a lot of storage details and the pattern automation APIs…

Spring Boot Application with Spring Data Neo4j REST, SD-REST and Spring Social for Twitter import