Yes, the code is open source: https://gitlab.com/engrave/dblog
As I said, I have plans to rewrite it as HAF app to make it a bit better in terms of decentralization. I believe it's too reliant on the backend database right now and most activities could be stored in the chain.
Thanks mate, I’ll have a browse, sounds like HAF is going to simplify the process of developing apps for hive.
Definitely