actdiag
blockdiag
nwdiag
openstackdocstheme>=2.2.1 # Apache-2.0
pbr>=2.0 # Apache-2.0
seqdiag
sphinx>=2.0.0,!=2.1.0 # BSD
sphinxcontrib-actdiag
sphinxcontrib-blockdiag
sphinxcontrib-nwdiag
sphinxcontrib-seqdiag
stestr>=2.0.0
testtools>=0.9.34
yasfb>=0.5.1
whereto>=0.3.0  # Apache-2.0