Kate – multi document editor

Last Updated on July 11, 2021

Kate is a multi document editor which is part of the kdebase package of KDE, the K Desktop Environment.

With a multi-view editor like Kate you get a lot of advantages. You can view several instances of the same document and all instances are synced. Or you can view more files at the same time for easy reference or simultaneous editing. The terminal emulation and sidebar are docked windows that can be plugged out of the main window, or replaced therein according to your preference.

KDevelop (an integrated development environment) and Quanta Plus (a web development environment) are two of the major KDE applications that use Kate as an editing component.

Features include:

  • Powerful syntax highlighting and bracket matching. Highlighting support for more than 180 languages.
  • MDI, window splitting, window tabbing.
  • Spell checking.
  • CR, CRLF, LF newline support.
  • Encoding support (utf-8, utf-16, ascii etc).
  • Encoding conversion.
  • Search and replace text using regular expressions.
  • Drag and drop text editing.
  • Code and text folding.
  • Infinite undo/redo support.
  • Block selection mode.
  • Auto indentation.
  • Auto completion support.
  • Integrated shell.
  • Wide protocol support (http, ftp, ssh, webdav etc).
  • Plugin architecture for the application and editor component.
  • Customizable shortcuts.
  • Integrated command line.
  • Full DCOP scripting.
  • Mini-map scroll bar – shows a a mini-map in place of the scroll bar.
  • Notification system – modifications are displayed when viewing remote files, or data recovery and swap files.
  • Scriptable using JavaScript.
  • Plugins.

Website: kate-editor.org
Support: Planet Kate, Support
Developer: KDE e.V.
License: GNU GPL v2


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

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