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Yes it is open source here is github repo: https://github.com/steemlookup/steemlookup There is also dedicated channel for it in the Curie discord

There's a curie discord? Link me!

Yes, it is open source, as @carlgnash mentioned above.
Steemlookup discord channel can be found here https://discordapp.com/channels/327293266011881473/436047415716479006

Sorry to be that person but... the link doesn't work. Just takes me to the discord web app and nothing.

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