AdJug
6 websites

AdJug offers both free and paid options

http://www.adjug.com

AdJug is an online advertising marketplace. It connects buyers and sellers of online advertising and provides them with transparency, control and choice. Publishers can take control of their online inventory to increase their earnings and a...

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Open AdExchange
8 websites

Open AdExchange is free to use

http://www.openadex.com/

New Danish website is now live: openadexchange.dk ... Targeted ads from Open AdExchange will provide you with additional earnings on top of your existing ...

Market Share by Top Websites

2 In terms of market share, AdJug is clearly lagging behind, losing to Open AdExchange in all segments.

Websites Categories

1 Open AdExchange has better usage coverage in more websites categories. Including Arts & Entertainment, Finance, Home & Garden and Jobs & Career.

2 AdJug is leading in Food & Drink, Sports and Travel & Tourism.

Geography

1 AdJug is leading in most countries, including United Kingdom, Germany, Greece, Switzerland and one other country.

2 Open AdExchange is leading in Denmark, Pakistan and Sweden.