https://www.easy2download.com/
Complete PHP Reverse Auction Script
In a reverse auction the roles of buyer and seller are reversed: the sellers compete to obtain business from the buyer and prices are decreasing. (instead of increasing like regular action)
How will YOU earn from that?
Every bid requires 1 credit so you can sell credit packs
Charge for listing on your website (optional)
Charge for featured listings on homepage
Features overview
Fully responsive (Twitter Bootstrap & CodeIgniter)
Search by keyword &/or location
Membership system
Onsite & Email notifications (when offer received, message, etc.)
Paid Credits System (for bidding, 1 credit is required)
Internal Messaging System
SEO Friendly