Kate is described as 'The Kate project develops two main products: KatePart, the advanced editor component which is used in numerous KDE applications requiring a text editing component, and Kate, a MDI text editor application' and is a very popular Code Editor in the development category. There are more than 100 alternatives to Kate for a variety of platforms, including Windows, Linux, Mac, BSD and Flathub apps. The best Kate alternative is Notepad++, which is both free and Open Source. Other great apps like Kate are Visual Studio Code, Sublime Text, VSCodium and Vim.