] Novell also announced on Tuesday that it would be porting
] its entire GroupWise collaboration software, a product
] that significantly overlaps with Ximian's Evolution
] client, to Linux. The applications handle e-mail,
] scheduling and contact information to keep employees
] organized. Although Novell intends to support both
] software packages, the eventual goal is to have only one,
] said Stone.

It isn't very likely they will end Netware development anytime soon. But with their current push towards linux it could be possible. The cross platform Groupwise client is currently in beta for MAC, Windows, Linux. Really it is in development for anything that will run java.

Novell may nix NetWare development | CNET News.com