Pricing for the enterprise edition remains $60 per user or $12 per user per year subscription. The addition of two new user classes, premium and standard, makes it easier for companies to add new and incremental users cheaply. The standard edition is free, although it does not include access to group calendars or public folders.
The new micro-browser based mail interface for mobile users will be free. The full PDA support with SyncML support will carry an additional charge although that has yet to be determined, according to Winokur. More information on that will be disclosed this fall, he said.
IBM's Lotus group, which competes for the market share lead with Microsoft Exchange, released its own full Linux Notes client this summer.
Open-Xchange, the Tarrytown, N.Y., e-mail competitor said last week that it worked with SpikeSource to dub Open-Xchange Server 5 as a "SpikeT"-certified solution. SpikeSource was founded to integrate, test, and certify enterprise applications running atop the Linux, Apache, Tomcat stacks.
Zimbra, another closely-watched open source collaboration player, will launch Zimbra Documents for creating, sharing, and publishing documents and folders within and between enterprises and organizations. Zimbra Documents is a new perk within the newly announced Zimbra Collaboration Suite 4.0 .