https://funded.com/

http://www.funded.com has been go-to site of entrepreneurs. Who want to start their start-ups, projects and  existing businesses.Worked on crowdfunding with stripe payment gateway. So User can create their account and with stripe ID.

Site owner gives a certain amount as a commission. Each user is having dashboard for their campaign progress. User can send amount request using dashboard to stripe gateway. Also worked on itegrating authorize.net payment gateway for subscriptions.