| Status | Privately Held |
| Website | www.openx.org |
| Blog | blog.openx.org |
| Category | Web |
| Phone | +44 (0)20 7299 7497 |
| Address |
12-14 Whitfield Street London, GBR |
| Founded | 11/06 |
| Total | $20.5M |
| Series A, 6/07 1 First Round Capital Index Ventures Mangrove Capital Partners O'Reilly AlphaTech Ventures | $5M |
| Series B, 1/08 2 Accel Partners First Round Capital Index Ventures Mangrove Capital Partners O'Reilly AlphaTech Ventures | $15.5M |
OpenX, formerly called Openads and phpadsnew prior to that, is the most popular adserver solution when measured by number of publishers using it. They have 30,000 publishers using the software on 100,000 sites in 140 different countries and in 20 languages. About thirty ad networks have been built on top of it, including John Battelle’s FM Publishing
| Website | www.openx.org |
| Blog | blog.openx.org |
| Stage | Live |
| Launch Date | November 17, 2006 |
