For learning SPARQL it might be useful to have full control both over the query text and the data (RDF triples). While there are many public SPARQL endpoints av
emqx
gnome-3
cloo
haskell-snap-framework
errata
del
columnheader
tika-server
cyclic-dependency
serverspec
debug-information
polymer-cli
gcloud
onnewintent
imguizmo
primeng-calendar
songbird
aws-glue-spark
lexicographic
ggvis
react-native-reanimated-v2
ex
spamassassin
ioref
audio-converter
net-ssh
lexicographic-ordering
openpgp
grocery-crud
sunmi