Apache Knox: Apache Knox Gateway is a REST API Gateway for interacting with Apache Hadoop clusters.
Apache Orc: Apache Orc is a self-describing type-aware columnar file format designed for Hadoop workloads.
Pooling framework for Memcached API: A pooling framework for Memcached API because developers should focus on the functionality and not the boilerplate code.
Memcached Session Manager: A tomcat session manager that backups sessions in memcached and pulls them from there if asked for unknown sessions.