Many of the applications that I've seen or browsed through need to handle multiple different types of users whereby all users login / signup on one UI For examp
ibm-blockchain
flask-mongoengine
fact-table
bluetooth
ml-yacc
redoc
caliburn
google-api-webmasters
tap
surround
debug-print
availability-zone
bing
mongoid5
info-plist
repeating-linear-gradient
hcl
pex
servicestack
grafana-templating
dddd
anonymous-class
pgadmin-5
python-beautifultable
neo4j-java-api
beeware
django-deployment
laravel-api
rparallel
clique-problem