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Multi-Protocol Instant Messengers

Tom's Definitive Linux Software Roundup: Communications Apps
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Instant messaging is the precursor to the absurdly popular SMS text messaging on cell phones. IM still has a strong demand on the desktop, despite the rise of VoIP. 

IM, as we know it today, got its start from AOL Instant Messenger and ICQ in the late 90s. Since then, Microsoft, Yahoo, Google, and many others have entered the fray with their own messenger clients and protocols. Because most people will want to communicate with others, regardless of which IM protocol they use, this is a listing of only those IM clients that can handle multiple protocols. In the Windows sandbox, third-party freeware favorite Trillian is the single industry-leading app to look at for comparison. If, for some reason, you want to install a different client for each protocol or only want to communicate with friends who use your favorite protocol, skip ahead to the next section.

Pidgin (v. 2.5.5)

Pidgin is one of the most popular multi-protocol IM clients on the scene today. It includes support for the most popular protocols, such as MSN, Yahoo, AIM, ICQ, IRC, GoogleTalk, MySpace, and many more less-popular options. Pidgin also functions as a top-notch email notification applet in that area of the taskbar. It will alert you to any new emails sent to the addresses corresponding to the IM protocols in use (Hotmail for MSN Messenger or Yahoo! mail for Yahoo! Messenger, for example).

What puts Pidgin above the rest is its availability on all three major operating systems, making it the closest thing to a truly universal IM client available today. My one beef with Pidgin is the inability to close from the notification area icon. Instead, you must first maximize Pidgin from the notification area, and then select Quit from Buddies in the menu bar. Pidgin is currently the default instant messenging client for Ubuntu and Fedora, though Canonical (the company behind Ubuntu) has recently announced that they will be replacing Pidgin with Empathy for version 9.10. It's my guess that you'll see a massive jump in downloads from the Pidgin Web site and in the usage statistics from the Ubuntu repos when that happens.



Kopete (v. 0.70.2)

Kopete is the default IM client for the KDE desktop and many distros that use it, such as openSUSE and Kubuntu.

Like Empathy, Kopete does not handle the IRC or MySpace protocols, but does support Jabber. SMS is an option in the account configuration menu. However, it requires additional plugins and a simple Google search for “Kopete SMS” yielded only out-of-date or downright useless information. Like most KDE apps, if you're running KDE, Kopete will be a better choice than if you run GNOME. For the time being, Pidgin is an all-around better IM client regardless of your GUI.



Empathy (v. 2.26.1)

The version of Empathy that I tested was very much like a Pidgin-lite. It has a strikingly similar appearance, yet doesn't support as many protocols. The one major protocol that Empathy supports and Pidgin doesn't is the increaasingly-popular Jabber. On the flip-side, there is no MySpace or IRC support.

While Empathy's home page advertises Facebook support, a closer examination reveals that it requires a simple hack to actually work. From my experience so far, Empathy is one to watch, but not ready to replace Pidgin as your primary IM client.



SIM-IM (v. 0.9.5)

SIM (Simple Instant Messenger) is simple, as advertised, and highly functional as well. But it does have one crippling flaw: the text for your contacts is white. This causes your contact's names to blend into the white background, making distinguishing between your contacts impossible, and that's kind of a big deal. No amount of tweaking in the Setup/Interface options fixed this issue.

Only by hovering the mouse over the blank space for each contact could you determine who was who.

Upon further inspection, I realized that SIM was meant for KDE and not Ubuntu's default GNOME GUI. Unfortunately, running SIM in Kubuntu did not fix this issue, therefore I must recommend you take a pass on this otherwise excellent IM client.

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  • 7 Hide
    mitch074 , October 19, 2009 7:55 AM
    I'd like to add something to the article...

    - Skype for Linux is currently in version 2.1 (beta) which differs from 2.0 (final) only in the fact that it is now able to deal with ALSA, OSS and PulseAudio transparently - and it doesn't wreck webcam outputs as much.
    - Skype for Linux has supported video ever since version 2.0 (beta); it does work quite well if your webcam sends uncompressed video to the system (if your webcam streams MJPEG and you have a 2.6.28+ kernel, you will need some hacker-fu; details on demand)
    - a quite well known single protocol IM is aMSN, which is also multiplatform; its other main advantage is that it supports voice and video chats. However, it's not always very stable and requires manual setting up of a TCP port for video and voice to work properly.
  • 1 Hide
    Anonymous , October 19, 2009 9:37 AM
    How about benchmarking the applications. Which ones use more ram vs. functionality? How about responsiveness and stability? Those are questions I would like to see laid out because much of the Linux user base have older hardware and don't like things eating away their CPUs and ram.
  • -4 Hide
    oralward , October 19, 2009 10:41 AM
    You should really cover something with kde desktop as only because of protest by gnome users is it still the default desktop in any of the three versions you are covering. Its also easier for someone coming from windows. There is a version of ubuntu called Kubuntu that uses kde. This is the other main desktop.
  • -2 Hide
    amdfangirl , October 19, 2009 11:55 AM
    I'll agree, kde rules but GMOME s what begineers use often.
  • 1 Hide
    Anonymous , October 19, 2009 12:40 PM
    Great article.

    As far as KDE vs. Gnome, I see no problem with the current format, maybe just do a Ubuntu(Gnome) vs. Kubuntu(KDE) vs. Xubuntu(Xfce) vs. MoonOS/OpenGEU/JAD(Enlightenment) roundup, to show off the different desktops(and the few apps that only work on a particular desktop). Any look good with the right theme and some Compiz/Beryl, but KDE and Enlightenment have an edge right out of the box.
  • 0 Hide
    rrockman , October 19, 2009 1:08 PM
    It's... "Surprising" that you didn't analyze Mercury, one of the most advanced multi-account IM apps.
  • 0 Hide
    haplo602 , October 19, 2009 1:56 PM
    ah gui only options ... well have a look at CenterIM when you have time. It's a great little IM tool that runs in the terminal. This way I can get to my client everywhere with just a simple ssh client :-)
  • 6 Hide
    Anonymous , October 19, 2009 1:57 PM
    "The one major protocol that Empathy supports and Pidgin doesn't is the increaasingly-popular Jabber."
    This is just plain wrong. Pidgin has supported Jabber for a long time. It's called XMPP in the later versions which is the name of the protocol used by jabber clients
  • 4 Hide
    rdawise , October 19, 2009 2:37 PM
    Again, I praise Mr. Overa's coverage of Linux. I am looking forward to the Games section of Linux since I don't have much experience with native games.
  • 4 Hide
    jppayne2 , October 19, 2009 2:55 PM
    "My major problem with Thunderbird is that it will continually ask for confirmation to ignore a security certificate every time it checks for new mail, by default, every ten minutes. Most of the other clients in this roundup give you the option to always accept or ignore."

    Actually, Thunderbird allows you to permanently accept the certificate, which will do what you want. Just pay attention when the confirmation dialog comes up, and select "Accept this certificate permanently". It's the first option (the default is the second option, which is to accept the certificate for the current session).
  • 0 Hide
    Anonymous , October 19, 2009 3:19 PM
    I prefer Xubuntu!
    It's a great lightweight Os, without all the frills and gadgets of Ubuntu, runs on low system specs, which means on a regular system it just flies.
    Takes a little of experience over Ubuntu to handle things, but over time you'll get the hang of things.
    Runs good on a USB stick too!
    I like the 'Live' idea, no need for installing; but for a full experience it's best to just remove your HD (which can get messed up in installations), and install the OS on an external USB!

    Some users experience a very good system response on a PCIE SLC SSD. Latest version you can install on 4GB, previous versions you could install on less.
    Takes about 2,75GB in size, with some apps and updates installed.
  • 2 Hide
    Anonymous , October 19, 2009 6:21 PM
    Who's voting all the comments down? I smell a Mac fanboy having Linux-envy-induced menstrual cramps...
  • 0 Hide
    jasperjones , October 19, 2009 8:18 PM
    Thunderbird is quite popular and can be easily extended to be a fully-fledged PIM client. E.g., the Lightning plugin provides an integrated calendar. The very sweet Provider for Google Calendar plugin allows bidirectional access to Google Calendar (i.e., you can make the same calendar visible on each machine which has it installed, no need for manual syncing). Several other plugins consist that, imo, make Thunderbird more powerful than Outlook. Especially if you have an Android phone and use Google Calendar and Google Contacts, you will have the same contacts, calendar, and email available on all your devices.
  • 0 Hide
    WheelsOfConfusion , October 19, 2009 8:50 PM
    Coming from a Windows background and daily use of mIRC, I loves me some X-Chat. It's a pretty great mIRC replacement, supporting those quirky color codes and enhancing readability by displaying your own messages slightly gray by default so you can tell at a glance where your messages are in relation to everyone else's, without having to use a color script.
  • 3 Hide
    Sharft6 , October 19, 2009 9:06 PM
    the ventrilo people are also working on a linux version for their popular voip program.
  • 4 Hide
    heffeque , October 19, 2009 9:53 PM
    JFYI: Emesene is MSN=em-es-en but in Spanish: eme-ese-ene.
  • 0 Hide
    adamovera , October 19, 2009 10:12 PM
    heffequeJFYI: Emesene is MSN=em-es-en but in Spanish: eme-ese-ene.

    Ahh, so that's where they got that name, awesome. Thanks for the tidbit :) 
  • 0 Hide
    Shadow703793 , October 20, 2009 1:28 AM
    Hey toms, could you do a file system benchmark? I want to know how ext3/4 vs Reiser(4) vs JFS. I would also like to see the effect of file system on SSD vs HDD. Currently, there is ongoing debate between which performs best on SSDs, Reiser4 vs ext3/4.
  • 1 Hide
    dingumf , October 20, 2009 1:36 AM
    amdfangirlI'll agree, kde rules but GMOME s what begineers use often.


    orly?
  • 0 Hide
    adamovera , October 20, 2009 1:58 AM
    Shadow703793Hey toms, could you do a file system benchmark? I want to know how ext3/4 vs Reiser(4) vs JFS. I would also like to see the effect of file system on SSD vs HDD. Currently, there is ongoing debate between which performs best on SSDs, Reiser4 vs ext3/4.

    Fantastic idea! I've got my plate full right now, esp with the gaming guide on the horizon, but I like this a lot. I will begin looking into it for Q1.
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