# EXeem > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/EXeem > Markdown URL: https://mediated.wiki/source/EXeem.md > Source: https://en.wikipedia.org/wiki/EXeem > Source revision: 1353580369 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) {{short description|Peer-to-peer file sharing client}} {{Use dmy dates|date=March 2015}}{{Lowercase title}}'''eXeem''' was a [peer-to-peer](/source/peer-to-peer) (P2P) [file sharing](/source/file_sharing) [client](/source/Client_(computing)) using the [BitTorrent](/source/BitTorrent_(protocol)) [protocol](/source/Communications_protocol). eXeem was designed to replace the need for [centralized](/source/Centralized_system) trackers{{Cite web|url=https://www.newscientist.com/article.ns/?id=dn6830|title=Movie file-sharing hubs poised to decentralise|last=Knight|first=Will|date=22 December 2004|website=New Scientist|archive-url=https://web.archive.org/web/20050107085132/https://www.newscientist.com/article.ns/?id=dn6830|archive-date=7 January 2005|url-status=dead|access-date=25 July 2019}} (servers which co-ordinate the transfer of [metadata](/source/metadata) across a BitTorrent [network](/source/computer_network)). It largely failed to achieve this goal, and the project was canceled and eXeem's network was shut down by the end of 2005. eXeem was written in [C++](/source/C%2B%2B) using the open source [libtorrent](/source/libtorrent) library for its BitTorrent functionality. == Overview == eXeem was created by Swarm Systems Inc. which is located in [Saint Kitts and Nevis](/source/Saint_Kitts_and_Nevis). The company employed [Andrej Preston](/source/Andrej_Preston), the founder of [Suprnova.org](/source/Suprnova.org), as its [spokesperson](/source/spokesperson) and public face of eXeem. Five thousand Suprnova.org users were selected to take part in a private [beta test](/source/beta_test) of eXeem before the public beta was released on January 21, 2005. eXeem's developers expected to implement the following features: * On-the-fly [encryption](/source/encryption) and decryption * Searching by file [hash](/source/hash_function) * [Quality of service](/source/Quality_of_service) features * Proper [Universal Plug and Play](/source/Universal_Plug_and_Play)-support * User comments & ratings, but only when the file has been downloaded (to prevent fake ratings) * Minimum limited upload rate (5 kB/s) to stop [leechers](/source/Leech_(computing)). == Criticism == thumb|250px|right|"Seacay", the unofficial Linux eXeem client Criticism of eXeem arose soon after it debuted and included: * eXeem's for-profit operating model, including support through advertising (much akin to [Kazaa](/source/Kazaa)) and a public beta that included HTML ads supported by Cydoor, which is widely considered to be spyware.[http://p2pnet.net/story/3641 P2PNet] {{Webarchive|url=https://web.archive.org/web/20060509233114/http://p2pnet.net/story/3641 |date=9 May 2006 }}, retrieved 2 May 2006 Ads-free versions called ''eXeem Lite''[https://web.archive.org/web/20151222085949/http://www.exlite.pl/] and ''BIT eXeem'' were subsequently released, and eXeem later replaced Cydoor with WhenU from version 0.21 onward. * [Closed source](/source/Closed_source) code development, in contrast with the [open-source model](/source/open-source_model) followed by the most popular [BitTorrent](/source/BitTorrent_(protocol)) software, on which eXeem is based. * No initial [Linux](/source/Linux) or [Macintosh](/source/macOS) versions, with no ability to allow third parties to [port](/source/Porting) the code beyond [Windows](/source/Microsoft_Windows) (as eXeem is closed source). * Seacay was released as a Linux Client for the eXeem network when eXeem version 0.21 was released (see screenshot, right ) == Network == The eXeem network used super-peers that were used to track torrents (as ordinary [BitTorrent tracker](/source/BitTorrent_tracker)s). These super-peers were also responsible for maintaining file lists, comments and ratings for part of the files in the network. When a peer that was tracking a torrent was closed or went down, a new peer was assigned to be the tracker for that particular torrent. == See also == * [Distributed hash table](/source/Distributed_hash_table) (DHT) used in trackerless torrents * [Peer exchange](/source/Peer_exchange) (PEX) used in trackerless torrents === References === == External links == * [http://www.slyck.com/news.php?story=632 News article on Slyck] {{Webarchive|url=https://web.archive.org/web/20151222083728/http://www.slyck.com/news.php?story=632 |date=22 December 2015 }} – includes partial transcript of Sloncek interview * [http://www.exeem.ws Spanish eXeem tutorial] {{File sharing}} Category:File sharing software --- Adapted from the Wikipedia article [EXeem](https://en.wikipedia.org/wiki/EXeem) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/EXeem?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.