MultiBoot USB
This is a project that contains a collection of GRUB files and scripts that will allow you to create a pendrive capable of booting different ISO files.
Subgraph OS is a Debian-based Linux distribution which provides several security, anonymous web browsing and hardening features. Subgraph OS uses a hardened Linux kernel, application firewall to block specific executables from accessing the network and forces all Internet traffic through the Tor network. The distribution’s file manager features tools to remove meta-data from files and integrates with the OnionShare file sharing application. The Icedove e-mail client is set up to automatically work with Enigmail for encrypting e-mails.