Piumalinux
GNU/Linux OS finally based on Debian Sid. It runs different DEs.
UPDATE
If you download the latest ISOs (Piumalinux2015), that are testing releases, remember credentials:
login: piumalinux
password: piumalinux
INFO
Piumalinux ("Piuma" in italian means feather) is a new lightweigth GNU/Linux flavour, based on Debian Sid. It runs Mate DE and other Desktop or Windows Manager (e.g. i3). Previously it was based on Ubuntu 12.04 LTS and 14.04 LTS.
NOTE
For the live session (only JYNX and 2012 releases):
Piumalinux JYNX
username: piuma...