Some of its popular middleware tools are Oracle Weblogic Server, Oracle Tuxedo, and Java Software (acquired through the Sun acquisition).

FORBES: Capt. Ellison And Oracle Sail On Middleware Winds To $38

With this acquisition, Oracle acquired important middleware tools like the Weblogic Server (a tool for deploying Java based enterprise applications) and Tuxedo (a tool used to deploy mainframe-based applications).

FORBES: Ellison Needs To Fight Like A Samurai In Middleware To Push Oracle To $36 And Higher