Kate

Kate is a free text editor for people who move between code and ordinary documents. It suits users who want capable editing and search across Linux, macOS, Windows, or BSD without a paid plan. Its breadth makes it a practical general-purpose editor, while its programming tools stop short of making it a dedicated IDE.

Overview

Kate brings multi-document editing, programming aids, and broad search into one editor. Split windows can show documents horizontally or vertically, which is useful for comparing files or keeping a reference beside the current draft. Syntax highlighting for more than 400 languages, bracket matching, and on-the-fly spell checking make it equally relevant to source code and prose.

Remote-file access and support for Unicode and other encodings extend its usefulness across different files and locations. Backups on save and swap files can help recover work after a system crash, an important safeguard for anyone editing valuable documents.

Key features

Programming features include auto-completion with argument hints, scriptable auto-indentation, and Vi input mode. Multi-cursor and column editing, along with macro recording, give users additional ways to handle repetitive or structured edits. Language Server Protocol integration provides auto-completion for many languages, but Kate is best understood as a versatile editor rather than a language-specific development environment.

Search and replace supports regular expressions and multiline searches across open documents or files on disk. That reach is useful when a change needs to span a project or a set of documents, not just the active file. Plugins include an embedded terminal, SQL, build, GDB, and Replace in Files tools; extension support offers room to adapt the editor to different workflows.

Kate's support channels include KDE Discuss, Matrix, and the KDE bug tracker. KDE says its software generally sends no information from users' devices unless they explicitly act, and any telemetry is opt-in and disabled by default. The editor and related frameworks are developed by volunteers around the world; the team page reports 95 contributors during the last year.

Nightly packages are compiled daily, but may be unstable, buggy, or incomplete. They are intended for testing, so users who need a dependable editing setup should avoid treating them as the default choice.

Pricing

Kate is free: its plan costs nothing and covers the text editor for Linux, Windows, and macOS. There is no free trial because the editor is already free to use. This straightforward arrangement suits individual users who want its full editing toolkit without a subscription; there is no cheaper tier that trades away features.

Platforms

Kate supports Linux, BSD, Windows, and macOS. The listed plan names Linux, Windows, and macOS, while supported-platform information also includes BSD. That range makes Kate a sensible option for users who work across desktop operating systems.

Who it's for

Choose Kate if you need one editor for code and text, often work with multiple files, or value search across documents and disk files. Its editing modes, broad syntax support, and recovery safeguards are useful for developers and writers alike. Look elsewhere if your priority is a dedicated IDE for a particular language rather than a general-purpose editor.

Pros and cons

• Pros: Split-document editing, extensive language highlighting, and search across files support varied work without requiring separate tools.
• Pros: Multi-cursor and column editing, macro recording, and programming aids give experienced users more control over edits.
• Pros: Free access across major desktop platforms, plus BSD support, makes it easy to adopt without a paid plan.
• Cons: Kate is positioned as a text editor, not a dedicated IDE, so users seeking a specialized development environment may prefer another tool.
• Cons: Nightly builds can be unstable or incomplete, making them a poor fit for users who need a reliable daily build.

Alternatives

For a broader directory of options, browse Text Editors or Code editors; readers focused on a language can compare Rust IDEs, PHP IDEs, or Go IDEs.

Qt Creator is worth considering if you want an IDE with a free open-source version, though Qt framework use is subject to LGPL/GPL obligations. Zed may suit readers interested in a free personal code-editor plan with accepted edit predictions and external-agent or API-key support. Lapce is another free, open-source code editor across Linux, macOS, and Windows.

CodeLite is a free GPLv2 IDE, with an exception allowing separately developed plugins to use any license. Fresh offers a free and open-source editor with no paid tiers or usage limits stated. For a Linux-only option, GNOME Builder is free and limited to desktop on x86_64 and aarch64. RustRover has a free non-commercial plan for qualifying uses, while Huly Code is free to use.

Verdict

Kate is the right choice for users who want a free, cross-platform editor with serious multi-document, search, and programming tools. Its greatest advantage is the amount of flexibility it brings to ordinary text editing without a paid plan. Choose a dedicated IDE instead if your work calls for a specialized development environment.