I'm using SHA-1 to detect duplicates in a program handling files. It is not required to be cryptographic strong and may be reversible. I found this list of fast
string-aggregation
unistd.h
super-linter
gridpane
bootstrap-icons
shinyhelper
itemcollection
impala
serverless-framework-step-functions
intersystems-cache
npm-watch
io-monad
fasttime
python-requests-html
janus
aws-lambda-layers
lintian
snapkit
google-cast
laravel-permission
monkey
outlook.application
platyps
llvm-3.0
itk
stardog
serial-monitor
msitools
django-2.1
across