New site offering penny auctions as well as standard style auctions.

Penny auction site for adult related products. Viewer discretion is advised! All products seem to be offered using a Reserve auction format.

49bid.com states that they offer penny auctions to raise money for charity support, including: 

Foundations supporting; less fortunate children, cancer, homelessness, hunger, heart disease, the elderly, and the environment!

Pennyexpressions.com offers standard penny auctions for various items including gift cards and bidpacks. Bid prices for this site are relatively low, starting at $0.21 per bid.

Centibid currently offers no live auctions on the site.

Standard penny auction site with no final end price. Items offered include gift cards and novelty items.

Cherrybids.com offers many of your favorite items via penny auction format as well as some big ticket items.

Winners pay no final end price for the auction wins. 24hbids also offers swap to giftcards on auction wins.

Nailbidder.com offers standard penny auction fun at a site that has been in operation for almost two years. Rusty and his team work hard to provide the sought after products in a fun format!

Offering unique sporting goods and outdoorsman related products via penny auction. Also offers gift card auctions. Free bids for new registration.

Currently in beta testing! This site offers auctions for unique items for self protection like stun guns and pepper spray.