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ZNC 0.070 Start-up Screen
Developer(s) prozac, imaginos, psychon, crox
Stable release 1.4[1] (May 8, 2014; 3 months ago (2014-05-08)) [±]
Preview release 1.4-rc1[1] (May 6, 2014; 4 months ago (2014-05-06)) [±]
Development status Active
Written in C++
Operating system Unix-like, Microsoft Windows[2]
Type IRC bouncer
License Apache License
Website www.znc.in

ZNC is an IRC network bouncer or BNC. It can detach the client from the actual IRC server, and also from selected channels. Multiple clients from different locations can connect to a single ZNC account simultaneously and therefore appear under the same nickname on IRC. It supports SSL secured connections and IPv6.

ZNC is written in C++ and licensed under the Apache License.

The main program, which already features multiple users, per channel playback buffers and transparent DCC bouncing, can be extended using modules. Modules can be written in Python, Perl, Tcl, or C++.[3] Available modules comprise logging functionality, Blowfish encryption, user and channel management, away functionality, a partyline and more.[4] A very popular module is webadmin: it provides a way to manage users and channels conveniently using only a web browser. ZNC also supports ident spoofing via oidentd.[5]

ZNC has been in development since August 2004,[6] and new releases are made regularly. It has received favorable reviews,[7] especially in comparison to psyBNC, and has an active community on IRC.

In mid-2009, ZNC's popularity among iPhone users increased after notification modules for Colloquy[8] and Growl[9] were published.


  1. ^ a b ZNC download page; retrieved May 9, 2014.
  2. ^ "Native windows port Code.google.com Retrieved on 2011-11-28". Code.google.com. Retrieved 2012-04-16. 
  3. ^ "Official ZNC site retrieved 11 July 2009". En.znc.in. 2012-04-11. Retrieved 2012-04-16. 
  4. ^ "Modules list on ZNC site retrieved 11 July 2009". En.znc.in. 2012-01-29. Retrieved 2012-04-16. 
  5. ^ "Using ident spoofs – ZNC En.znc.in (2011-07-13) Retrieved on 2011-11-28". En.znc.in. 2012-03-25. Retrieved 2012-04-16. 
  6. ^ "SourceForge revision history retrieved 11 July 2009". Znc.svn.sourceforge.net. Retrieved 2012-04-16. 
  7. ^ "ZNC on Ohloh retrieved 11 July 2009". Ohloh.net. Retrieved 2012-04-16. 
  8. ^ "Official Colloquy website retrieved 31 August 2009". Colloquy.info. Retrieved 2012-04-16. 
  9. ^ "Prowl znc.in. retrieved 31 August 2009". En.znc.in. 2011-12-17. Retrieved 2012-04-16. 

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