Forte Software Inc, Oakland, California, creator of object- oriented development environments, has filed with the US Securities & Exchange Commission to go public with an initial offer of up to 1.85m, 1.55m new, at a target price of $11 to $13 a share. The $15m or so net proceeds will be used for working capital; underwriters are Morgan Stanley & Co Inc, Hambrecht & Quist LLC and Robertson, Stephens & Co.

Vitesse Semiconductor Corp, Camarillo, California Gallium Arsenide gate array fabricator has filed with the US Securities & Exchange Commission to offer 2m new shares to raise funds to repay debt and for working capital. The offering is being managed by an underwriting group led by Robertson, Stephens & Co LLC and Prudential Securities Inc.