 Composer was initially developed by Netscape as a component of the company's internet suites; however, after the company was bought by AOL in 1998, further development of its codebase was made open source and overseen by the Mozilla Foundation.Subsequent releases of Netscape Composer were based upon Mozilla Composer, the same utility within the Mozilla Application Suite.The last version of Netscape Composer was released with the Netscape 7.2 suite.