for the Zilog Z80, the Amstrad CPC and the Commodore 64, then ported to the 8086-based Amstrad PC-1512 Later, the development of other two programs - Base and Draw - turned StarWriter into StarOffice 1.0, for DOS, IBM OS/2 and MS Windows StarOffice 3.0 offered StarWriter, StarCalc, StarDraw, StarImage and StarChart 1999: Sun Microsystems acquired the company, copyright and trademark of StarOffice