phpLinkBid is the #1 bid directory script, offering the easiest way to start a profitable link directory. Install phpLinkBid and start selling links in minutes with instant payments using PayPal. Manage your directory with a powerful administration area. phpLinkBid offers dozens of powerful features: Unlimited categories & classic letters mode, Instant payments with PayPal IPN, Powerful administration control panel, SEO friendly URLs, Deep Links, Email Manager, Link Approvals, Link Expirations, Latest Links, Linkrolls for your favorite sites, Custom Language Files, Multiple Currencies & Currency Manager, Outbid Notifications, User friendly pages and fancy error handling, Built-in Content Management System, Template support for easy customization, and much more!