Some tools
Faux
has written to make QAing Debian packages less annoying.
show-non-trivial
bugs given source package names, reading..
bugdata.json
gives the number, severity and subject of important-or-above bugs for each source package.
testing_changes.json
shows which versions of which source packages entered testing on each day, like
debian-testing-changes@l.d.o
.
ftbfs dashboard
of packages the Reproducible Builds Jenkins thinks don't build, and the appropriate bugs.