sounds great! - what about interoperability?
such intent to support sound like a great feature!
still I wouldn’t expect to many people to put their listings (offers/requests(demands)) inside of yet another silo system… if you would like to participate in Web3.0 DevSprint @unMonatery:Matera please feel very welcomed, we also discuss options for remote participation 
@alexwhitcroft you may also like to check out Makerfox
@Matthias have you already published the source code?