gEdit Plugin Preferences ( Set Plugins )

You can add extra features to gedit by enabling plugins. A plugin is a supplementary program that enhances the functionality of an application. Plugins add new items to the gedit menus for the new features they provide. Several plugins come built-in with gedit, and you can install more. The following plugins come built-in with gedit:

• Change Case allows you to change the case of the selected text.
• Document Statistics shows the number of lines, words, and characters in the document.
• External Tools allows you to execute external commands from gedit.
• File Browser allows you to browse your files and folders in the side pane.
• Indent Lines adds or removes indentation from the selected lines.
• Insert Date/Time adds the current date and time into a document.
• Modelines allows you to set editing preferences for individual documents, and supports Emacs, Kate and Vim-style modelines.
• Python Console allows you to run commands in the python programming language.
• Snippets allows you to store frequently-used pieces of text and insert them quickly into a document.
• Sort arranges selected lines of text into alphabetical order.
• Spell Checker corrects the spelling in the selected text, or marks errors automatically in the document.
• Tag List lets you insert commonly-used tags for HTML and other languages from a list in the side pane.
• User Name inserts the username of the current user into the document.

See how to add add Python / C++ autocomplete support to gedit text editor.