Application nameDescriptionNo. Versions
1&1 SMS-ManagerEverything works great from install to sending SMS and Phonebook.  1
12 VoIP12 VoIP is internet telephony application, for voice over IP!  1
2xbotA command-line bot for the Teamspeak2-protocol which enables  1
Action VoipVoip software.  1
ActiveFax Client­ActiveFax client-server application which have multiple modems support, TCP/IP, NetBeui, LPD/LPR server, FTP Server, TFTP server, RAW server, Telnet server, Web Fax Service support, Scanner support, ODBC DB support and lots more.. Now runs on linux as a client with Wine.  2
ActiveWorlds 3D-BrowserAW is a great 3D-Chat client, that loads Objects (RWX format) and a "map" from a server and renders a 3D environment (which has a really good graphics engine!) where oneselves can visit places or meet other people and chat with them. It is also possible to build your own house there.  8
AdiIRCAdiIRC is a highly customizable, feature rich, freeware IRC client with multi-server support written in Visual Basic .NET 4.5 for Windows Vista/7/8/8.1/10. It offers all the standard IRC features including private chats, basic Identd features, system resource monitoring, SSL/TLS, IPv6, chat logging and DCC Chat/Transfers. It also offers Now Playing support for various media players, advanced scripting, themes, plugins, and dockable/undockable activity monitors that lets you monitor many channels at once. The program stores all its settings in text files and does not require a registry-based installation.  4
Adobe ConnectAn application for net conferencing.  3
Advanced Call CenterAnswering machine software  1
Agent DesktopThis is a VOIP call center application to handle call queueing.  1
AIM (AOL Instant Messenger)AIM (AOL Instant Messenger)- is a well-known IM tool.  12
AIM ProAIM Pro is a productivity tool for business use. You  1
Amazon Chimework conferencing and screen sharing software  1
aMSNaMSN is a free open source cross-platform MSN Messenger clone  1
AQQPolish instant messenger, supporting AQQ, GG, ICQ, Tlen & (pseudo-)WPKontakt protocol. Many functions, but full of commerce and having worst GUI I've ever seen.  3
Avaya iClarity IP AudioVoice Over IP (VOIP) software phone.  1
Baidu HIBaidu Hi Instanst Messager  1
BetweenA private chat platform for couples to communicate with each other.  For Windows (and Mac)  3
BigAnt MessengerIt is mainly used in enterpise as replacement for Windows Messenger.  It works pretty good but shows some bugs when receiving messages.  1
Bopup MessengerThis is an instant messaging application based on a client/server architecture, a client part of Bopup IM platform. Bopup Messenger requires Bopup Communication Server that is a server application for Windows PC and which must be running on a remote host. This instant messenger offers secure text messaging and file transfer functions. IM is strongly encrypted so this software application can be used for safely exchange with instant messages and documents via local networks and Internet.  1
Bopup ObserverBopup Observer is a small tool that allows to receive instant messages and files over local networks and Internet. It is based on a central server software called Bopup Communication Server that holds all user accounts, message history and user groups for broadcast messaging. This application cannot send outgoging data, it is designed for one-way messaging and can be used as alerting and notification utility in various environments such as corporate networks, school LAN or healtcare/clinic tool. Delivered data is strongly ecnrypted so this software can be used for safe exchange with confidential information.  1
BorgChatBorgChat is chat client for Wlan or Lan network,BorgChat work on UDP port.  1
c6 - Tin messengerInstant messaging program.Very famous above all in Italy.  1
CamfrogAudio and Videoconference chat.  7
Chat FlowAn application that integrates Facebook into a desktop environment.  1
ChattageA third party chat program for's instant messaging system.  1
Cisco Call StudioIt allows to build IVR call flows to be used with Cisco Voice Portal. Using speech and dial-tones recognition by playing back pre-recorded and generated text-to-speech, one can provide self service options to a caller.  1
Cisco WebexNot to be confused with Cisco Webex Meetings or Cisco WebEx Connect, which are completely different applications altogether. This is the application that succeeds Cisco Webex Meetings.  1
Cisco WebEx ConnectA corporate IM application (similar to Cisco Jabber, but a slightly different product).  2
Cisco Webex MeetingsOnline meetings and videocalling app from Cisco.  3
Cloud PBX2.0Cloud PBX is a Telekom Cloud telephony based on Webex  1
clustercluster is a metaverse from Japan, originally playable on Windows, Mac OS X, Android and iOS. It can be played with a VR headset and avatars for it can be made using VRoid.  2
CoccinellaCoccinella is a free and open-source cross-platform chat client with a built-in whiteboard for improved collaboration with other people.  3
CommFortCommFort - client-server program designed for communications in the home or corporate network.  7
Counterpath EyebeamVoIP softphone software from Counterpath.  1
DetelFoneDetelFone is a simple, free internet telephone programme. You can use it to talk for free with anybody and at anytime and do many other things as well. By using it, you will become a member of the Detel Tribe.  2
DiscordDiscord is a free communication app that is lightweight and designed for gamers with performance in mind. It has the capability for both text and voice chat, divided into individual channels and servers that users can join.   4
Dolby AxonFree Online p2p communication software. Supports voice and text communication. Up to 50 concurrent users per chat room. Support for 5.1 surround sound voice chat.  1
EasyChat ClientThe Client for the Freeware EasyChat. Similar to IRC.  1
ElementElement is an instant messaging application for Matrix  1
Escargot Patcherprogram that aims to revive the times of the messenger (patches MSN messenger and Windows Live Messenger so that it connects to the escargot servers)  1
Everquest Instant Messenger (EQIM)A program which allows you to chat to EQ players, without actually being in the game world yourself.  1
F-ChatThis is a chat client for and RTA Roleplaying site.  3
Facebook Chat IM (FBCIM)Facebook Chat IM (FBCIM) allows Facebook users to use their web browsers for other things while still being able to chat with their Facebook friends. It is supposed to work even behind firewalls.  1
Fetion (飞信)IM ClientFetion is a popular Chinese IM client supported by China Mobile. It supports chat, SMS services, PC calling, picture sharing, file transfer and other services. It is currently the 3rd most popular IM client in Mainland China.  1
FirecastText-centric app for tabletop RPGs.  1
Five9 AgentFive9 Agent is one of three applications that make up the client side of the Five9 Virtual Contact Center.  This program is not officially supported on *NIX distributions, but I have had success with using wine to get this application to run.  1
freephonelineFreephoneline is a free application for windows to make calls from phone-to-pc or from pc-to-phone. You are able to make calls with wine and receive them however the sound transfer does not work.  3
Gadu GaduICQ-like instant messenger very widely used in Poland.  5
GaimA multi-protocol instant messaging (IM) client.  2
GameVoxGameVox is a new server-based voice chat service.  1
GCNGCN is a new online communications service, which allows you to see when your friends are online, communicate in private conversations, talk collectively in chat rooms, send files, post to and create message boards, send and receive E-mail, create your own profile, speak in voice chats, play games, draw in white boards, browse the Internet, participate in video conferences, and much more. The best part is, GCN will always be absolutely FREE!  1
GizmoGizmo Project uses your internet connection (broadband or dial-up) to make calls to other computers.  2
Glesius-IRCA modified version of mIRC with enhanced support for DCC transfers, firewall, NATs and so on (works perfectly on fastweb) with other useful programs (like utorrent) accluded.  1
GMX SMS-ManagerA program to send SMS with an GMX eMail-Account.  2
GMX/ MultimessengerMessenger for ICQ, Yahoo!, AIM and Windows Live!  2
Groupwise MessengerGroupwise Messenger is an instant messaging application that integrates with Novell's Groupwise email client.  2
GSCChannel based in-game Communication Software.  2
HotConferenceAudio conference with chat room.  1
HTC SyncUtility to sync Android-based HTC phones (Wildfire, Galaxy, ...)  2
HTC Sync ManagerSync your world in style. HTC Sync Manager is a free application for your computer that makes it easy to sync all of your media to and from your computer with your HTC phone. You can also sync all of your contacts, calendar events, bookmarks, and documents as well. Once synced, you can easily manage and organize with HTC Sync Manager on your computer. Everything is safely backed up and ready to be updated to your phone.  1
HydraIRCHydraIRC  1
iCallMake and receive phone calls.  3
IceChatIceChat is a popular IRC (Internet Relay Chat) Client. IceChat is capable of connecting to multiple servers and channels all at  1
ICQOfficial instant messaging client for ICQ.  5
ICUIILets users chat over live video and with video quick messages.  1 is a website that runs msn messenger, AIM/ICQ, Yahoo!, Skype, MySpace chat, and Google Talk, with support for audio and video.  The site works on Ubuntu, but they have a downloadable client for Windows, which this page is for.  2
IMVUA 3D instant messenger that is also interactive  3
IMVU PreviewerThe software used to create items for the IMVU virtual catalog.  1
Internet Answering MachineClient application for Callwave's free and paid "internet answering machine." People who call while you are online with dial-up will be able to leave a voice message.  1
InternetCallsSimilar to skype.  1
InterVoipMultilingual voice over IP Internet telephony program allowing phone calls over the Internet.  1
IP MessengerThis is a pop up style LAN Messenger for multi platforms.  1
IP Softphone­"IP Softphone makes it easy to place and receive phone calls from your PC or laptop... It gives the user a choice of simple Graphical User Interfaces (GUIs) and integrates well with Microsoft desktop applications such as Outlook and Internet Explorer, enabling click to dial and screen pops. There are options to add Instant Messaging and Presence as well as videoconferencing for enhanced collaboration capabilities."  1
IrssiIrssi is an IRC client written for UNIX-like systems. However, there are Windows binaries available. This entry is for the Windows binary being run within Wine.  1
iSpqA videoconferencing program from NanoCorp.  1
JabbearJabbear is a messenger client using Xmpp Protocol. You can  1
join.meFree screensharing tool  1
KakaoTalkThe PC version of "KakaoTalk," an instant messaging service developed by Kakao Corp., headquartered in South Korea.  20
KaliKali is a network chat platform that allow users to exchange files , chat , and launch windows games , it also used to act as an IPX/TCPIP bridge  2
Keppe ChatIts a Chat System to hosting or go to online on Chat Server  2
LAN ChatFomine "LAN Chat" creates only one chat room, that is why it has very clear interface.  2
Landray KKLandray KK is an enterprise instant message software  1
LifeSize ClearseaLifeSize ClearSea is a video conferencing tool for calling individual users as well as shared meeting rooms.  1
LimeChat* 1ウィンドウで複数のサーバに接続できる  2
LINE (Powered by Naver)LINE is a mobile messenger that offers free calling and group chat.Talk to your friends and family as much as you want. Forget calling plans and phone bills.  54
Live person ProLive chat console to provide visitors with immediate assistance.  1
Liver person clientSpecifically designed for LivePerson experts, the Expert Messenger allows you to experience real-time communication with your clients over the Internet.  2
Lync 2010New version of Office communicator. Functions as a chat client, as well as collaboration/Desktop sharing, using MS proprietary protocols.  1
Lync 2013Instant messaging (IM), audio and video calls, online meetings, availability (presence) information, and sharing capabilities.  2
Magic CameraA virtual webcam software that can streaming video file/desktop to webcam software. It also can add lots of webcam video effects including face tracking.  1
Mail.Ru AgentMail.Ru Agent is popular free instant messaging program in Russia and post USSR countries. It has own protocol for Instant Messaging.  5
Mango TalkerSIP-phone application.  1
Meebo NotifierSimple application that connects to your IM accounts at startup, using little resources.  1
MeetroTechnically speaking, Meetro is radius and proximity based  1
MicroSIPOpen source portable SIP softphone.  2
Microsoft ChatIRC client with a twist. You can switch to a comic view, and the channel appears like a comic strip.  2
Microsoft Skype for BusinessPresence, instant messaging (IM), audio and video calls, online meetings, and sharing capabilities with the latest User Interface.  2
Microsoft TeamsMicrosoft Teams is the chat-based workspace in Office 365 that integrates all the people, content, and tools your team needs to be more engaged and effective.  2
MightyTextSend & receive SMS and MMS from your computer or tablet, using your current Android phone number. Messages stay in sync with your phone's SMS inbox.   1
Mirabilis ICQ CorporateCorporate version of an ICQ client branded by Mirabilis Ltd.  1
MirandaMiranda IM is a multi-protocol instant messaging client for Windows. Very light on system resources and extremely fast, Miranda IM requires no installation and can be made to fit on a single floppy disk or USB drive. Featuring a powerful plugin-based framework and boasting over 350 plugins, Miranda IM is one of the most flexible and customizable messaging clients on the planet.  6
Miranda NGMiranda NG open source chat/instant messaging application is a continuation of Miranda project, which supports multiple protocols and also allows you to chat with your Facebook and VK friends without using your web browser.  1
mIRCmIRC is a shareware IRC (Internet Relay Chat) client for Windows,  2
mircstatsmIRCStats is an easy-to-use  1
MXit PCMXit PC is MXit's client for you PC.  0
NateON MessengerThe most popular instant messaging application in Korea, Requires a Korean id or proof of identification e.g. drivers licence or passport (for foreigners) to join  1
Net2phoneI installed Net2phone on wine in a fake winpartition.  1
NetMeetingAllows you to collaborate with co-workers around the world or hold  1
NetTalkNetTalk is a free and open-source lightweight IRC client that has several unique features, such as command autocompletion, nickname autocompletion, mouse gestures, syntax hints, a spellchecker, connection profiles, encryption, a full-fledged DCC file transfer manager, customizable right-click menus, on-screen displaying of messages (for example while playing games), a BASIC-dialect scripting language, unlimited preconfigured commands after authenticating on a server, customizable colors and background, and a very intuitive interface that is geared towards new users but still has many powerful features as mentioned above. It has support for several languages (English, German, and several others).  1
Network AssistantNetwork Assistant is a real-time network communication utility for  3
NextivaInstant messaging and call management application for Nextiva customers.  1
NimbuzzFree international,call, chat, messaging with skype, msn & yahoo messenger ecc..  0
Odigothe ever growing friendliest IM community  1
OpenText RealTimeReal Time is a corporate chat tool that enables employees and teams to effectively collaborate and share content. Contacts can be added from the corporate domain users.  In addition to 1:1 chat, collaborative places serve as meeting points for multiple users.  A presenter can share this screen with the others.  All content (chats, meetings, collaboration) is stored in the Content Server and is therefore available for future reference.  Real Time is one of the most used applications at OpenText, its vendor.  1
OverwolfOverwolf adds your favorite apps into your games. it adds an overlay to your game on the left hand side wich lets you manage social media (Facebook, Skype, etc.) in-game  1
PalaceChatPalaceChat is a third-party client for The Palace 2D avatar chat protocol, extending it with more modern features such as, but not limited to, avatars up to 128 by 128 pixels, embedded videos, and full 32-bit color avatars.  3
Paltalk MessengerHome Site: "Paltalk isn't just the latest, greatest messenger or the most  9
PGPfonePGPfone (Pretty Good Privacy Phone) is a software package that turns your desktop or notebook computer into a secure telephone. It uses speech compression and strong cryptography protocols to give you the ability to have a real-time secure telephone conversation. Secure voice calls are supported over the Internet, or through a direct modem-to-modem connection, or even over AppleTalk networks.  1
Phalanx Avatar ChatAn avatar-based chat application.. description from the website:  1
PicoPhoneVery simple internet telephony software.  1
PIMS & File ManagerWith this you can manage all information which is stored in your phone like phone numbers, messages, dates, call up information, ringtones ans images.  1
Pinto!A secure Skype-like IM client. More information available on the GitHub page.  1
Pirch98One of the most popular original IRC Chat Clients.  1
PlutoThis Program is a Chat Client for  1
poivyThis software install quite smooth under wine but when it runs, it shows an errors (unexpected events...)  1
ponyChatponyChat windows local net chat program  1
PowerGaduGaduI succesfully ran pGG on a RH 8 Linux and it works fine except some plugins (gadacz etc.)  1
Professional Online DesktopSecure Chat application for use in the Enterprise.   Provides TLS encrypted chat services via MessageLab's private IM network.  1
Purple New P3P3 Software is a deaf-oriented application that combines crystal clear Video Relay Services, point to point video  0
Purple P3P3 Software is an deaf-oriented application that combines crystal clear Video Relay Services, point to point video  1
QIPGreat thing how to solve x-status ICQ problem without official ICQ. QIP is a free unique closed source computer program for immediate  4
QQ (oicq)An instant messaging client, like ICQ, MSN. But this one is the most popular instant messaging client in P.R.China.  12
QQ InternationalQQ International is Tecent's response to those who wanted an English language version of their popular QQ IM chat client. If you haven't heard of QQ it's because it's primarily used in Mainland China. If you are an English speaker who is living and working in China, QQ becomes a necessary evil if you wish to IM with your Chinese friends. In comparison to other IM clients, I find that the Chinese version of QQ is virus ridden, but the International version that I am posting here doesn't seem to be as malicious nor as aggressive when it installs to your computer.  4
R&QR & Q - it is small and fast Internet messenger, which is an alternative to the official ICQ client requires no installation and occupies minimum space (less than a half megabytes).  2
RaidCallRaidcall is designed for group communication while gaming, especially  14
RaptrRaptr is a chat client that will allow you to talk ingame on Msn, Aim, Steam, Xbox, Xfire, Yahoo , Gtalk, Facebook, and ICQ. Raptr is more than a chat client it will also post to your blogs and twitter what game you're currently playing, and it also has its own profle/chat system.  3
Reliance icallReliance icall for windows XP version is app to make international calls its a voip app.  1
RingCentral for WindowsApplication to access Softphone services associated with RingCentral's paid services.  1
RivChatServerless lan chat.  1
RoboMXOpensource Chatclient for WinMX.  2
Roger WilcoRoger Wilco allows gamers a chance to communicate with each other during game play - it enhances the experience of team based games. I tested the installation and found a small problem with submission of my personal data.  1
RufidentCalling-number2Name+Address Tool for Klicktel Juli 2002 Telephonbook CD  1
RyngaIt is a voip pc-to-phone dialer.    1
Signal-desktopDesktop version of signal mobile app  1
silentdesktopSilent Desktop is the desktop companion to silent circle's encrypted calling app for android and iOS.  Silent Circle has not responded to when or whether they might release a Linux desktop app or a developer API (I've asked and gotten no response).  1
SJ PhoneA SIP H323 soft phone  1
SkypePeer-to-peer communication software with the capability to make and receive audio and video calls to other Skype clients (for free) and land lines for low cost.  Additionally it supports instant messaging, chat rooms, audio & video conferencing, file transfers, text (SMS) messaging and voicemail.  21
Skype for Business (Lync)Skype for Business, is unified communications platform that enables messaging, conferencing, online meetings, and collaboration as part of Office 365.  1
Slack for WindowsThe desktop client for the Slack messaging platform for teams.  1
SmartVOIPThis program ables to make low rated global phonecalls using your pc or phone to phone.  2
SMSDVUtility to send SMS messages to/from Russian GSM phones via the Internet.  1
smspopA nifty little tool for sending sms from your desktop in Windoze. From the same people who set up, it uses the same network.  1
Softros LAN messengerSoftros LAN Messenger is a instant LAN messaging software application for home or office users.  1
Sparvoip 4.06 596This is a Voip app for Sparvoip.  1
SpeakyChatSpeakyChat is a audio/video plug-in which enables users to use their webcams and mics on specific chat sites.  1
SST (Secure Shuttle Transport) ClientInstant Messanger with secure transfering of messages and files. Feature of secure FTP upload, e-mail sending. Has support of VoIP and video chat.  1
Stagecoach IslandStagecoach Island is a great 3D-Chat client, that loads Objects (RWX format) and a "map" from a server and renders a 3D environment (which has a really good graphics engine!) where oneselves can visit places or meet other people and chat with them. It is also possible to build your own house there and learn how to use bank related stuff.  1
StarLeafApplication for video chat and online communication, just like Skype or Google Hangouts  1
StealthBotStealthBot is a multi-featured moderation and chat bot, programmed in VB6.  2
StreamDeskStreamDesk is an application for Windows that allows you to watch,, or any other online  1
Stuck On MarsTweet as if you were on Mars with this tweet generator.  1
T-Mobile DIGITSAn Electron/Chromium app for accessing the T-Mobile DIGITS service.  Includes an audio test function but otherwise isn't any better than a regular web browser for accessing the DIGITS web page.  1
TangoTango is a voip application that focuses on video chat. Mostly used on mobile platforms, it also has a windows based PC client.  1 - Website Live Chat ClientFreemium Website Live Chat service. Create account, add the javascript to your site, then you can chat with website visitors either through the site or using this application. I leave it running 24/7 so that I can respond to chats quickly.  1
TeamSpeak­­­TeamSpeak is software which enables people to speak with one another over the Internet. TeamSpeak consists of both client and server software. The server acts as a host to multiple client connections, capable of handling literally thousands of simultaneous users. This results in an Internet based conferencing solution that works in a variety of applications such as team mates speaking with one another while playing their favorite online game, facilitating in­ter-office communication among co-workers, or simply for personal communication with friends and family.­  4
TeamTalkTeamTalk is a voice conferencing  2
TEGAKI MessengerAn IM that uses hand-written messages instead of regular text.  1
TelegramDesktop applicatie for Telegram messenger.  3
Tencent MessengerInstant messaging application based on Tencent's network. Share user accounts with QQ(oicq) and its relatives.  1
The Palace (client)The Palace (client) is a graphical internet instant messaging tool. It allows users to communicate in a 2-dimensional room and users get to pick their own avatars (pictures) create their own or animate one.  1
TIMLightweight QQEffient multi-person online documentFree video/audio communication  4
Time & Chaos­Time & Chaos (T&C) is a complex personal information manager (PIM) with an easy and 'user friendly' interface.  It incorporates a contact address book, an appointment scheduler module, a tasks handler and memo component.  T&C works both as a standalone client or as groupware in a networked environment and if flexible enough for use by a wide range of business types.  3
TonicTonic is an application that allow user to chat within Local Area Network (LAN) on Windows platform.  1
TradeManagerThe Application is developed by one of the biggest Business 2 Business platforms for international business - The Application in its aims must provide easiest way for business to communicate with each other. Use of it is available only for registered users (free membership is available). The usage is free, but protocol is not public and application sources are not available.  4
TravelerA free 3D voice chat client by DigitalSpace (originally created by OnLive! Technologies) that utilizes VRML, many customizable avatars, spatially-aware audio, and much more.  1
TrillianMulti-Network Chat program. Supports AIM, IRC, ICQ, MSN,  Jabber, and Yahoo!  8
TrilogyECEncrypted serverless chat using AES 256 encrtyption.  1
TU GoTU Go is an app for iOS, Android and Windows that allows you to use your O2 UK (Only Pay Monthly currently) mobile number from multiple devices.  1
TweetDeckDashboard Application for Twitter. Multi Column.  6
UniChatChat for local networks.  1
Verizon MessagesUsed to send text messages through Verizon from a desktop application.  1
ViberThere is a native desktop version for Mac and Linux  1
Visual IRCVisual IRC started as a project by MeGALiTH in 1995. Version 2 didn't get released until 2001. It is free to use and has a scripting language (much like mIRC does).  2
VoicemodAn app that alters your voice by acting like a microphone passthrough.  11
VoipstuntLow-cost VOIP client using 120-day subscription to pay for non-free calls, with remainder carried over to next subscription period.  3
Voodoo ChatVoodoo Chat is a multi-server chat system (ran by users) based in the vein of Excite's Virtual Places and Halsoft Chat. Voodoo Chat offers chat with avatars on a server of your choice. If you're unhappy with the server's on the list, set up your own server and bring in your own friends.  1
Vortec IRCVortec is a dedicated Internet Relay Chat client. It has multi-server support, supports sound, has built-in file transfer capabilities, and has a great easy-to-use interface.  2
Vypress ChatA small chat application.  2
vzochatVideo calls, video conferences and collaboration for corporative uses.  1
VZones"When you join the VZones, you become a digital person and meet other people from around the world. You can talk, gesture, walk around and games, win prizes, buy, sell and just have fun."  1
WASTEWASTE is an anonymous, secure, and encrypted collaboration tool which allows  2
WebCallDirectWindows application used to see saldo of your webcalldirect account. Also used for calling,storing contacts,sending sms.  1
WeChatWeChat is a popular instant messaging application in China. Its features include sending voice messages, offline messages and group chat. It's produced by Tencent, the company who also developed QQ, another popular instant messaging application.  16
Wengo PhoneAnother SIP softphone  2
WhatsAppCross-platform centralized instant messaging and voice-over-IP service. It allows users to send text messages, voice messages, make voice and video calls, setup message groups,  share files, and share user locations.   1
WhatsApp DesktopWhatsApp is a well known messaging platform used mostly by mobile phone users (due to app requirement), purchased by Facebook. All data are end-to-end encrypted. Initial release was back in January 2009.  3
Wimba ProntoThis product allows a student using the content management system "Blackboard" to communicate to other students in the same class without giving access to all the other "questionable" servers on the net.  2
Windows Live Messenger - discontinuedWindows Live Messenger (formerly MSN Messenger) is a discontinued instant messaging client .  9
Windows MessengerWindows Messenger allows instant messaging between clients on a LAN.  1
WireA voice-communication program made by a co-founder of Skype.  1
WorkfaceWorkface is a customer support tool, allowing customers to chat directly with employees. Workface executes in the Adobe Air runtime.  1
WorldsPlayerA virtual 3D chat and entertainment portal developed in 1998 and partnered with popular brands and musicians.  2
WPCC - WinMX Professional Chat ClientA Chat Client than permit to join the WinMX Chat Rooms.  1
WTWPolish instant messenger supporting multiple protocols, including gadu-gadu and jabber  2
X-ChatX-Chat is a well known IRC Client from the UNIX world.  2
X-LiteFree SIP based softphone available for download.  3
XfireXfireTM is a new, free tool that  12
XirconIRC client. Loads and install fine. font problem in login box.  1
XMediusFax clientThis is a client application, written for Windows, to use the FoIP (fax over IP) server XMediusFax.  Certain other companies, such as, provide services based on this server platform and distribute rebranded versions of the client software.  The client in this case was distributed as osFaxSetup.exe and installs itself as OneSuite Fax or OSFX.  1
YahELiteA chat client and instant messenger with many features for yahoo chat/messaging.  2
Yahoo! MessengerYahoo! Messenger (YIM) - an instant messenger to communicate with other Yahoo members.  2
YYYY语音  2
Z5 DesktopZ5 Desktop is an application for the D/deaf and/or visual-impaired, facilitating communication between ASL/See users and the hearing world.  1
ZaloZalo is an OTT application, allowing users to text and call other users on mobile and computer platforms. As an application of VNG - Vietnam's technology company, appeared on the market in 2012, so far, Zalo has become an extremely popular application.  2
ZelloZello is a communications application emulating a push-to-talk walkie-talkie over the internet. It's available for mobile devices and Windows PCs.  1