However, an alternative approach leveraging unikernels and immutable servers will result in smaller, easier to manage, more secure containers that will be simpler to adopt by existing enterprises

gdnsd is an Authoritative-only DNS server.

A fast and very simple Ruby web server

Starman - High-performance preforking PSGI/Plack web server

The Violin 1010 is the industry's first Memory Appliance, capable of supporting both Scalable Memory (DRAM) or High Performance Storage (NAND Flash) or a mixture of the two. The first release of the Violin 1010 supports 504GB of DRAM in a 2U chassis.