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 ...

VS

PlugRush
166 websites

PlugRush is free to use

http://www.plugrush.com/

PlugRush uses customizable widgets to show ads and content in a new innovative way

Market Share by Top Websites

1 PlugRush is leading in Top 1M Sites.

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

Websites Categories

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

2 PlugRush is leading in Adult, Computers Electronics & Technology and Business & Consumer Services.

Geography

1 PlugRush is leading in most countries, including United States, Germany, China, Italy and 28 other countries.

2 Open AdExchange is leading in Denmark and Pakistan.