It would be best if they can run without having Skype installed at all. Does such a creature exist?

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can you use trillian for mac with skype? i know it works on windows but i cant seem to get it set up on the mac. – sylvie nemetz Mar 14 at 21:56
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9 Answers

https://imo.im/ supports skype, and is web-based.

  • Completely free
  • It runs from any modern browser - no installation required, OS doesn't matter
  • No need to keep Skype installed and running (the only IM I know that does that)
  • Keeps logs of all your chats
  • Available for free for ALL major mobile OSs
  • Supports all major IM protocols
  • Links all your accounts from various IM systems to one (i.e. you can log in to any one of them, and the system will log you in to all other automatically)
  • Allows more than one Skype account to be running in the same time! (Just discovered it myself - I have two different accounts for work and for private chat, and it was a pin in the head to sign in and out all the time; with IMO it's great.)

With this, all others are simply out of competition.

Only one shortcoming - you can't really install it on a desktop computer as a stand-alone application, like we are used to. But it's more a problem with our habits that with the product itself.

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+1 for The IMO suggestion. – Eric Koslow Jul 16 '09 at 16:34
+1 Great company, spoke with a rep at a recruitment fair. – Evan Aug 1 '09 at 3:28
I wonder how they've done it. their site mentions that it's not endorsed by skype. – Stann Feb 4 '11 at 16:59
@Andre: Can't they just launch Skype process in the background when someone logs in? Even though Skype is very closed about it (both the source and the protocol), it probably isn't too difficult to convince multiple instances to be run. – kizzx2 May 24 '11 at 16:29
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@kizzx2. well. I'd say resources usage would be prohibitively high. – Stann May 24 '11 at 18:10
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Both Kopete and Pidgin have Skype plugins. The Kopete one is bundled with the main app as far as I know, and for Pidgin you have to download the Skype Pidgin plugin.

Please note that both of these require Skype to be installed and running. I've added them since I don't think you will find a legal app which natively connects to the Skype server, as Wikipedia states that:

Reverse engineering of the Skype protocol by inspecting/disassembling binaries is prohibited by the terms and conditions of Skype's license agreement.

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besides that, there is a skype codec library which is already used with the open source project Asterisk enabling many softphones to work with skype. I just don't know if this codec can be added directly to the softphone or if it needs an Asterisk proxy. – Jader Dias Aug 30 '09 at 13:17
voip-info.org/wiki/view/Skype – Jader Dias Aug 30 '09 at 13:18
there is no point in doing this because you still have to run skype in the background. – Stann May 24 '11 at 18:11
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actually there is if you cannot stand the skype user interface, particularly for chat. – ericslaw May 31 '11 at 23:45
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SkyLlian is a Skype plugin for trillian.

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The latest version of Trillian (Astra) supports Skype without additional plug-ins. Be aware that it uses the Skype API which requires Skype to be installed. – Chris Driver Aug 27 '09 at 12:35
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if it uses the Skype API which requires Skype to be installed AND RUNNING – Jader Dias Aug 30 '09 at 13:14
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IM+ is a chat application for mobile devices (iPhone, BlackBerry, Windows Mobile) and it supports Skype among others.

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Trillian Astra supports Skype and many other connections.

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(Disclaimer, I'm on the Yuuguu Dev Team)

Yuuguu (Windows and Mac versions) supports Skype chat and will work with GTalk, MSN, AOL and Yahoo messenger accounts. However, as far as I know, the Skype API requires Skype to be running (although it can be switched into silent mode).

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For completeness' sake, there Miranda, too, with its Skype protocol plugin. However, as most of the previously mentioned programs this, too, uses the Skype API, and requires Skype to be installed and running. Moreover, the Skype plugin doesn't seem to be under active development right now.

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There is IMO.IM which support Skype without Skype installed...

That is for one obvious reason... It is a web service, and not an installed IM client.

That said, the programmers community should look their way (IMO) for knowhow. I am certain that the problem is in strong encryption Skype use in their protocols.

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I use Trillion, love it. It uses SkyLlion as a plug in, must have Skype downloaded and running. Enjoy this chat client.

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