Plumtree Software is a former software company founded in 1996 by product managers and engineers from Oracle and Informix with funding from Sequoia Capital. The company was a pioneer of extending the portal concept popularized by Yahoo! from the web to enterprise computing. BEA Systems acquired Plumtree on October 20, 2005, and Oracle subsequently acquired BEA. Plumtree’s former portal product continues as part of Oracle’s product line.