Crescendo Networks, a company that claims to deliver web applications for enterprises faster and more efficiently, has raised $5 million in a fourth round of venture funding from Trilogy Equity Partners, Evergreen Venture Partners, Apax Partners, StageOne Ventures and Challenge Fund, reports PE Hub. Based in Menlo Park, Calif., it has raised more than $45 million to date and plans to use its recent financing to build out its sales organization.