Soulseek is a peer-to-peer (P2P) file-sharing network and application. The term Soulseek might refer to (1) one of the two networks, or (2) one of the three official user client interfaces.[3] Soulseek is used mostly to exchange music, although users are able to share a variety of files. Soulseek was created by Nir Arbel,[4] an Israeli programmer from Safed.[5]

Quick facts: Developer(s), Initial release, Stable release...
Soulseek
Developer(s)Nir Arbel
Initial releaseApril 8, 2001; 21 years ago (2001-04-08)[1][2]
Stable releaseSoulseekQt build 2021.02.06 (February 6, 2021; 22 months ago (2021-02-06)) [±]
Preview releaseNone [±]
Written inC++, Qt
Operating systemMicrosoft Windows, and macOS and Linux in the newest Qt client
Available inEnglish, Dutch, French, German, Italian, Russian, Spanish, Polish, Estonian
TypePeer-to-peer file sharing
LicenseProprietary freeware
Websiteslsknet.org
soulseekqt.net
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Historically, there have been two independent networks under the Soulseek name, both ran by the same management. The older one is accessed by Soulseek client 156; the newer network accessed by Soulseek client 157 (Windows only) or SoulseekQt (Microsoft Windows, macOS, or Linux platforms).[6] The network accessed by client 156 has since been shut down, as usage had dropped nearly to zero.[6]

New developments are solely on the SoulseekQt client interface. Work on Client 157 (Windows only) stopped in 2008. SoulseekQt has somewhat different functionality compared to the 157 client interface.[7]