Kate is a Feature-Packed Text Editor

Kate is packed with features that will make it easier for you to view and edit
all your text files. Kate lets you to edit and view many files at the same
time, both in tabs and split views, and comes with a wide variety of plugins,
including an embedded terminal that lets you launch console commands directly
from Kate, powerful search and replace plugins, and a preview plugin that can
show you what your MD, HTML and even SVG will look like.