zerofree is a utility for ext2 filesystems that will scan the
list of free blocks in a filesystem and fill with zeroes
any blocks that do not already contain zeroes.

Intel Software Guard Extensions (SGX) is a set of instruction codes implementing trusted execution environment that are built into some Intel CPUs. They allow user-level and operating system code to define protected private regions of memory, called enclaves.

Tests and supporting packages related to testing Virtualization infrastructure.