TIBCO Software [Nasdaq: TIBX] says it will buy Spotfire in an all-cash $195M deal. Built on Microsoft’s .Net architecture, Spotfire is designed to allow business users to analyze and publish corporate reports without needing help from the IT department and to get data quicker and with prettier graphs than they were used to. Spotfire says it has over 800 active customers. Investors in Spotfire include Atlas Ventures.