KVIrc – Qt-based IRC client

KVIrc is a cross-platform Internet Relay Chat client. The name stands for K Visual Internet Relay Chat client.

The software features an MDI interface, built-in scripting language, support for IRC DCC, drag & drop file browsing, and much more.

KVIrc uses the KDE widget set, can be extended using its own scripting language, integrates with KDE, and supports custom plugins.

KVIrc has its own script language called KVS for extensions, addons and scripts. Every channel, query and DCC Chat is encryptable with Blowfish or AES/Rijnda.

Features include:

  • Full GUI Based configuration.
  • Floatable windows.
  • Built-in help browser.
  • Themes manager (all configurable by GUI or scripting).
  • Pseudo-transparency support (up to the desktop on KDE).
  • Drag & Drop toolbar editing.
  • Activity Notifier Pop-Up.
  • Status bar with Applet support.
  • Unread text mark.
  • Proxy support (SOCKSv4, SOCKSv5, HTTP).
  • Full IPv6 support (also for DCC transfers).
  • SSL support (also over IPv6).
  • Encryption support.
  • Multiserver connection.
  • Notify lists (WATCH is supported).
  • Ignore lists.
  • Registered users database.
  • Lag meter.
  • Configurable logging.
  • Standard DCC CHAT and SEND (with resume) support.
  • Extended DCC types: VOICE, RSEND, GET, RECV.
  • DCC CHAT over SSL.
  • DCC bandwidth limit (ability to set it “on the fly”).
  • Built-in scripting language interpreter.
  • 14 Languages Translations.

Support: Documentation, FAQ, GitHub
Developer: Szymon Stefanek and the KVIrc Development Team
License:GNU General Public License v2.0


KVIrc is written in C++. Learn C++ with our recommended free books and free tutorials.

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