a̅tea (https downloader secured by DANE)
Mohican Web Server (a fast web server for TCP and SCTP)
xchroot - Xorg/X11 access for chroot (also: read-only chroot & many other features)
debcheckroot - verification of root fs (Debian, Ubuntu, etc.,; standalone, openSUSE checkroot: link)
Extensible Debian Live Boot CD - no need to create and burn iso-s