Based on the images and PorterDuffModes in this page I downloaded images, initially even though they are png they had light and dark gray rectangles which were
metamodel
pdftk
multidrop-bus
hprof
python-manylinux
discord4j
back-stack
dynamic-chart-series
completion-stage
demosaicing
kendo-menu
unsafe
django-permissions
qfilesystemwatcher
django-logging
erlang-otp
file-io
javascriptserializer
goaccess
autoload
redismqserver
webintents
precedence-matrix
unrecognized-selector
sonarqube5.1.2
wchar-t
react-intersection-observer
ragdoll
record-classes
activator