ORWL, “The First Open Source, Physically Secure Computer”, just got funded on CrowdSupply!
https://www.crowdsupply.com/design-shift/orwl/updates/funded-and-coreboot-bios
Joanna Rutkowska wrote a recent post that gives some great background on ORWL’s physical security:
http://blog.invisiblethings.org/2016/09/03/thoughts-about-orwl.html