Best XML Editors for Linux of 2025

The XSD / WSDL Visualizer is a plugin that can be used with IntelliJ IDEs to make it easier to understand data described in XML Schema (XSD). It gives a graphical representation to the types and elements in an XSD and explains the inheritance structure. The plugin allows you to see your WSDL documents in a clear, concise manner and identify areas that need improvement. The plugin includes a Jump to/from Source function.

Kate is a feature-rich editor designed to simplify the process of viewing and modifying all your text files effectively. It allows users to manage numerous files simultaneously, offering both tabbed and split view options, while also providing a diverse range of plugins such as an integrated terminal for executing console commands directly, robust search and replace tools, and a preview function to visualize your MD, HTML, and SVG content. Supporting syntax highlighting for over 300 programming languages, Kate enhances code readability across virtually all coding languages. The editor is also adept at understanding bracket structures, assisting users in navigating complex code block hierarchies seamlessly. Additionally, it includes on-the-fly spellchecking to help ensure your text is polished before it goes live. With the capability to work on multiple files concurrently through split views, you can also utilize the project sidebar for easy navigation of your directory structure, along with Kate's intelligent tabs to swiftly access recently opened documents, all of which contribute to a more efficient workflow. This makes Kate not just a tool, but a comprehensive environment for developers and writers alike.

Code Browser is a versatile folding text editor available for both Linux and Windows platforms, aimed at organizing various types of text files, particularly source code, in a hierarchical manner. By enhancing the efficiency of navigating through source code, it significantly simplifies the process. While Code Browser is particularly beneficial for managing extensive projects, it also proves handy for editing shorter files like CSS. It eliminates the frustration of scrolling through lengthy code by providing a more structured view. Additionally, it features syntax highlighting for all major programming languages, with the option to incorporate custom syntax highlighting as well. Although originally intended for programming tasks, Code Browser is versatile enough to assist with plain text outlining or gaining insights into existing codebases. Furthermore, I've created a dedicated page with tips on maximizing the benefits of the folding feature. This makes it an invaluable tool for both novice and experienced developers alike.

Oxygen XML Editor serves as a comprehensive solution for both XML developers and content creators alike, offering essential tools for XML editing that encompass a wide array of standards and technologies. It combines the functionality of Oxygen XML Developer and Author, resulting in a feature-rich environment. With its user-friendly interface and intuitive editing capabilities, users can significantly enhance their work outcomes. Moreover, the editor's exceptional extensibility support allows for the enhancement of existing XML publishing frameworks or the creation of entirely new ones. It also boasts robust connectivity options, facilitating interaction with diverse XML databases, content management systems, and WebDAV services. Additionally, Oxygen promotes efficient collaboration among authors by integrating tracking tools, a subversion repository client, and solutions for comparison and merging, ensuring a streamlined workflow. Thus, users can expect an overall increase in productivity and quality in their XML projects.

EditiX presents updates and error notifications within the status bar located on the right side of the interface. It features a tabbed display of currently open documents, showcasing an icon and file name that vary according to the document type and its path. On the left side, users will find a panel that hosts various tools, including a file browser, project manager, and XPath evaluator. In addition to these components, EditiX offers an extensive array of functionalities, such as a versatile XSLT editor and debugger compatible with different versions, support for XML databases like eXist, Xindice, and XML Berkeley DB, real-time syntax error detection, and XPath location within documents. Furthermore, it validates XML documents against established standards and provides a context-sensitive content assistant that relies on XML Schema, DTD, and XML Relax NG. The platform is also highly customizable, allowing users to adjust settings according to their preferences, while offering robust refactoring capabilities for elements, attributes, schema types, template names, variables, and parameters. This comprehensive suite of features makes EditiX an essential tool for anyone working extensively with XML and related technologies.

EditRocket is an all-in-one text and source code editor compatible with macOS, Windows, and Linux, equipped with a variety of XML editing features aimed at improving user efficiency and convenience. Among its tools, the XML Validator allows users to verify the syntax of XML files and, when the "check schema" option is activated, validate them against defined schemas. The XML Tag Navigator analyzes the content within the editor and presents XML tags in a clickable format, enabling users to quickly navigate to specific tag locations in the document. The XML Sidekick includes tabs for coding inserts, utilities, and the XML Tag Navigator, facilitating the rapid insertion of XML elements through buttons or customizable keyboard shortcuts. Furthermore, EditRocket incorporates XML Tag Completion, which automatically adds closing tags after an opening tag is typed, with an adjustable delay for completion. In addition to its XML capabilities, EditRocket provides syntax highlighting for more than 20 programming languages and includes helpful coding sidekicks and tools for building code, making it a versatile choice for developers. Overall, EditRocket stands out as a powerful solution for anyone looking to streamline their coding process.

At its foundation lies an interpreter dedicated to Emacs Lisp, a variant of the Lisp programming language enhanced for text editing tasks. It offers content-aware editing modes that feature syntax highlighting for a variety of file formats. The platform includes comprehensive built-in documentation, complete with a tutorial aimed at newcomers. Users benefit from extensive Unicode support accommodating nearly all human scripts. It is highly customizable, allowing modifications through Emacs Lisp code or via a graphical interface. Beyond mere text editing, it encompasses a diverse array of functionalities, such as a project planner, email and news reader, debugging interface, calendar, IRC client, and much more. The presence of a packaging system enables users to download and install various extensions seamlessly. Additionally, it provides built-in support for arbitrary-size integers and utilizes HarfBuzz for effective text shaping. There is also native functionality for JSON parsing, improved support for Cairo drawing, and the adoption of portable dumping in lieu of unexec. The system adheres to XDG conventions for initialization files and includes an additional early-init file for enhanced customization. Furthermore, it supports built-in tab bar and tab-line features, as well as the ability to resize and rotate images without relying on ImageMagick, making it a versatile tool for a wide range of tasks. Overall, it stands out as a powerful platform that caters to a multitude of user needs beyond simple text manipulation.

The PHP IDE project offers a comprehensive framework for a PHP Integrated Development Environment tailored for the Eclipse platform. This initiative includes all the essential development tools needed for creating PHP-based web applications while promoting extensibility. By utilizing the existing web tools project, it enhances developers' capabilities in PHP. It serves as a fundamental resource for PHP developers, providing crucial features such as PHP language support, a Git client, an XML Editor, Mylyn, and a terminal. Additionally, the PHP Development Tools (PDT) experience can be enriched with numerous plugins available within the Eclipse ecosystem. Among its features are syntax highlighting, syntax validation, content assistance, code navigation, debugging options (such as Zend Debugger and Xdebug), profiling tools, PHPUnit integration, code formatting, refactoring capabilities, and code templates, along with support for remote projects, all harnessing the extensive power of the Eclipse Ecosystem. This robust combination positions the PHP IDE project as an invaluable toolset for developers aiming to streamline their PHP application development process.