Borland International Inc and Alloy Computer Products Inc have a co-marketing agreement under which Borland’s SideKick Plus application will be included free with Alloy’s entry-level pc Twin networking system for 8088 and 80286 boxes; Alloy will also include a free promotional copy of Sprint with its pc-Triplet entry level 80386 MS-DOS-based multi-user system, and will include a coupon enabling buyers to get Borland’s Paradox database Network Pack software at 50% off list during the promotion.