Free groupwise software for windows

Pidgin is a chat program which lets you log in to accounts on multiple chat networks simultaneously. This means that you can be chatting with friends on MSN, talking to a friend on Google Talk, and sitting in a Yahoo chat room all at the same time.
Pidgin runs on Windows, Linux, and other UNIX operating systems. Looking for Pidgin for OS X? Try Adium!
Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It can support many more with plugins.
Pidgin supports many features of these chat networks, such as file transfers, away messages, buddy icons, custom smilies, and typing notifications. Numerous plugins also extend Pidgin's functionality above and beyond the standard features.
Pidgin integrates with the system tray on Windows, GNOME2, and KDE 3.1.
Pidgin is under constant development. Releases are usually frequent and driven by user contributions, such as bug reports and patches.
Pidgin is free and contains no ads. All our code is open source and licensed under the GNU General Public License. This means you can get Pidgin's underlying code and modify it to suit your needs, as long as you publish the changes you make for everyone to benefit from as well.

A free tool for Outlook and Outlook Express that automatically filters spam and phishing attempts SPAMfighter Standard - if you are looking for a Outlook/Express tool to remove spam from your inbox, look no further. SPAMfighter is the tool you are looking for. Simple, reliable and efficient.
A lot of anti-spam products rely on filters and other rule based technologies, but spammers work every day to stay out of these filters. What works one day doesnt work the next. SPAMfighter Standard is an Outlook utility software that filters spam and phisning attempts.
SPAMfighter works completely different. SPAMfighter is using the power of a very large community of people that instantly report if they receive a spam mail. When several people have reported the same spam mail, its automatically filtered for the rest of the community.
In this way very few people in the community will ever see the spam mail. On top of that a lot of spam is filtered before it ever hits the community, but how we do that we will keep for our self, the spammers might be reading our site as well ;-)
So if you use SPAMfighter you will stop receiving spam instantly and if you by chance get one, have the good feeling of reporting it and remove it from all other community member with one single click.
SPAMfighter is currently available in English, German, French, Italian, Dutch, Spanish, Swedish and Danish language.
SPAMfighter supports the following mail servers: ArGoSoft, CMailServer, CommuniGate, Courier, DynFX, GroupWise, IMail, Kerio, Domino, MDaemon, Merak, MERCUR, MS SMTP MAIL Service, Netscape Messaging Server, NTMail, Postfix, QMail, Sendmail, Winmail, Winroute, WorkgroupMail, XMail and more.
SPAMfighter Pro gives you: The right to use SPAMfighter in a company, No SPAMfighter footer, No commercial in emails, Premium support
Main features:
- SPAMfighter Standard is 100% free for private use
- Award winning spam blocking technology
- Protects against "phishing", identity theft, and other email fraud
- Used by more than one million happy users around the World
- Protects all the email accounts on your PC
- Unique language filtering tool that empowers you to stop emails written in specific languages
- Unique picture filter that can recognize spam which is sent as a picture
- Automatic "real mail" protection - means no lost business mails!
- Blacklist domains and emails
- Spam Abuse Reporting with one click
- Automatic Whitelist management
- Privacy Guaranteed - we dont see any of your email
- Does not filter based on simple phrases or "trigger" words. Allows any content
- Language support: English, German, Spanish, Chinese, French, Italian, Greek, Dutch, Swedish, Norwegian, Suomi, Russian, Bulgarian, Portuguese, Japanse and Danish
System requirements:
- Email client: Microsoft Outlook, Outlook Express and Windows Mail
- Memory: 64 MB minimum
- Disk Space: 10 MB
Version restrictions:
- SPAMfighter Standard is 100% free for private use.