Apache Flink - Flink is a streaming dataflow engine that provides data distribution, communication, and fault tolerance for distributed computations.

Google Cloud Dataflow - Google Cloud Dataflow is a fully-managed cloud service and programming model for batch and streaming big data processing.

Apache Spark - Apache Spark is an engine for big data processing, with built-in modules for streaming, SQL, machine learning and graph processing.

Apache NiFi - An easy to use, powerful, and reliable system to process and distribute data.

Histats - Start tracking your visitors in 1 minute!

logstash - logstash is a tool for managing events and logs.