Communications

AOL Instant Messenger (AIM) 5.9

ICQ 5.1
ICQ was the first instant messenger client available - pioneered by Mirabilis in 1996. For many years ICQ was the most popular client on the market, but lately it has been surpassed by MSN Messenger,... Read more

Microsoft Exchange Server 2003
For messaging and collaboration Microsoft Exchange Server is one of the most used platforms. Together for Microsoft Outlook this is a powerful solution for enterprises of any size. Read more

Microsoft MSN Messenger 7.5
Not the first, but the probably the most used instant messenger product available. MSN Messenger, that is offered by Microsoft as freeware, has grown from a simple IM product into a trend-setting... Read more

Microsoft Outlook 2003
As part of the Microsoft Office suit or offered in your enterprise if they are using Microsoft's mail server - Outlook is difficult not notice. Microsoft Outlook is a mail client that also integrates... Read more

Microsoft Outlook Express 6
Microsoft Outlook Express ships as part of the Microsoft Internet Explorer freeware package. Outlook Express provides basic internet mail support, but works as a usenet news reader. As a mail client... Read more

mIRC 6.21
mIRC is by far the most well-known IRC (internet relay chat) client on the market - and it has been for more than a decade. mIRC allows you to chat with people all over the world through different... Read more

Opera 9
Opera is a freeware web browser with lots of features such as: integrated BitTorrent client, ad and pop-up blocker, mail client and irc chat and many other features. Opera has always focused on... Read more

Skype 2.5
Skype is a very strong newcomer to the telecomunications industry. This freeware internet telephony or voip product started by offering simple and free PC-to-PC telephony, but today offers full... Read more

Trillian Pro 3.1
Trillian Pro is one of the top 3 instant messaging clients. It comes in a basic freeware version as well as the professionel version, which has more advanced features. Trillian supports AIM, MSN,... Read more

Adium 1.2.4

aMSN 0.96
aMSN is an open source clone of MSN Messenger. It aims to implement as many features as possible from the original, and to provide even more features on top of that. Alot of the extra features are... Read more

Emesene 1.0.1
Emesene is a MSN Messenger clone, which primary goal is to support all features of the Windows Live Messenger Network (WLM). However, it does have a few extra features - besides trying to be... Read more

Evolution 2.22
Evolution is an e-mail client built from scratch to be an alternative to Outlook on Linux. Today it has evolved beyond that - and provides stable functionaly through typical e-mail features. But... Read more

HydraIRC 0.3
Hydra IRC, an open source chat client, is quickly gaining a stellar reputation. Internet Relay Chat (IRC) used to be only for the computer literate but Hydra makes it easy for anyone to enjoy it. ... Read more

Miranda IM 0.7.6
Small and fast are only two positive things that come to mind when trying to descripe Miranda IM. Like many of its open source "competitors" it is an multi-protocol instant messenger capable of... Read more

Mozilla Thunderbird 2.0
This full-featured open source email client provides an excellent open source alternative to all commercial email clients. Thunderbird has a wide list of features of which some are: support for POP... Read more

Open-Xchange 0.8
The Open-Xchange Collaboration and Integration Server Environment allows you to create, store and link appointments, contacts, tasks, email, bookmarks, documents, forums and many more elements and... Read more

Pidgin 2.4.1
Pidgin is an instant messenger (IM) application that cover multiple protocols - including (but not limited to) AIM, ICQ, MSN, IRC, Jabber, Novell GroupWise Messenger and Lotus Sametime. These... Read more

PlanetaMessenger.org 0.2
PlanetaMessenger.org is an open source universal Instant Messenger (IM) developed fully in Java. PlanetaMessenger.org has plug-in based support for the different IM networks. Among the supported... Read more

Psi 0.10
Psi is an open source instant messenger client built for Jabber (the open source instant messaging protocol). However, to ensure that you don't loose touch we your friends who have not yet switched... Read more

WengoPhone 2.1
WengoPhone is an open source softphone for telephony over the internet also know as ip telephony and voip. It provides free PC-to-PC calls as well as chat and video conferencing. Through Wengo it... Read more

XChat 2.8
XChat is an IRC (internet relay chat) client. IRC is a world wide chat systems that has existed since the 80s. Based on multiple networks of servers where each network lists it's own topics (aka... Read more

Zimbra 5.0
Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration. Zimbra delivers innovation for both the administrator and the end-user as well as... Read more

Ohloh
Linux Alternative Project