Abstract: Disclosed herein are systems, devices, and methods for for improving the technology related to matching supply-side users with demand-side users in a marketplace. An opportunity matching platform may receive one or more business opportunities created by one or more demand-side users and then provide the one or more business opportunities to a plurality of supply-side client stations. In turn, each supply-side client station may present the one or more business opportunities to a respective supply-side users, receive the user's feedback on the one or more business opportunities, and then provide the feedback data for the supply-side user back to the opportunity matching platform. Thereafter, the opportunity matching platform may process the supply-side user feedback data and then provide various information to the demand-side users and/or supply-side users that help such users reach agreement on opportunities.