Depois de quase cair nas garras da IBM, a Oracle compra a SUN. Junto com os servidores e storages vêm alguns ícones do software livre como Java e MySQL. Atualmente o faturamento da SUN é US$ 13BI.
Nos quatro últimos anos a Oracle comprou diversas empresas, tendo investido mais de US$ 45BI.
Thinking Machines Corporation, Toplink, NetForce, Steltor, Reliaty, Phaos, Collaxa, PeopleSoft, Oblix, Retek, TripleHop, TimesTen, ProfitLogic, Context Media, i-flex (Oracle Financial Services), G-Log, Innobase, Thor Technologies, OctetString, Temposoft, 360Commerce, Siebel Systems, Sleepycat, HotSip, Portal Software, Net4Call, Demantra, Telephony@Work, Sigma Dynamics, Sunopsis, MetaSolv Software, Stellent, SPL WorldGroup, Hyperion Solutions, AppForge(intellectual assets only), Agile Software Corporation, Bharosa, NetSure Telecom Ltd., Bridgestream, LogicalApps, Moniforce, BEA Systems, Captovation, Empirix (Web), LODESTAR Corporation, AdminServer, Skywire Software, Global Knowledge Software, ClearApp, Primavera Systems, Haley Limited, mValent, Relsys, Sun Microsystems
Em negrito as que considero mais importantes