Best HTML Editors for C#

A highly advanced text editor designed for coding, markup, and writing. With the Goto Anything feature, you can quickly access files using minimal keystrokes and effortlessly navigate to symbols, lines, or specific words. This editor allows you to make multiple edits simultaneously rather than repeating one change multiple times. Thanks to multiple selections, you can efficiently modify numerous lines at once, easily rename variables, and handle files more rapidly than you ever thought possible. The Command Palette provides access to less frequently used features, such as sorting, syntax adjustments, and indentation modifications. By entering just a few keystrokes, you can search for exactly what you need without the hassle of navigating through menus or remembering complex key commands. Additionally, Sublime Text boasts a robust Python API that enables the development of plugins to enhance its existing capabilities. With the ability to install Package Control through the command palette, you gain straightforward access to a wealth of community-created packages that can extend the editor's functionality even further. This makes it an invaluable tool for anyone looking to streamline their coding or writing process.

Notepad++ serves as a free alternative to traditional Notepad and is designed for editing source code across various programming languages. Functioning within the Microsoft Windows ecosystem, it operates under the terms of the GNU General Public License. The editor is built on the robust Scintilla editing framework and is developed using C++, making use of the pure Win32 API and Standard Template Library (STL) to achieve enhanced execution speed and a compact file size. By optimizing numerous processes while maintaining user-friendliness, Notepad++ aims to contribute to the reduction of global carbon dioxide emissions. The software’s efficiency allows computers to use less CPU power, enabling them to operate at lower energy levels, which in turn leads to reduced power consumption and a more sustainable environment. This approach exemplifies how software development can align with eco-friendly initiatives.

Apache NetBeans is a dynamic, open-source Integrated Development Environment (IDE) that supports the development of applications in various programming languages, such as Java, JavaScript, PHP, HTML5, and C/C++. Renowned for its modular framework, NetBeans equips developers with a comprehensive suite of tools and features tailored for creating desktop, mobile, and web applications. It boasts advanced code editing, debugging, and profiling functionalities, as well as an integrated visual GUI builder for crafting user interfaces in Java. Additionally, NetBeans provides support for multiple version control systems like Git, SVN, and Mercurial, enhancing collaborative efforts among teams. As a project under the Apache Software Foundation, NetBeans is continually refined by a vibrant community dedicated to expanding its capabilities, ensuring it remains a dependable and adaptable option for developers in numerous fields. Furthermore, its extensive documentation and tutorials make it accessible for both novice and experienced programmers alike.

Atom is a modern text editor tailored for the 21st century, developed on the Electron framework, and inspired by the features that we cherish in our preferred editing tools. It has been crafted to offer extensive customization options while remaining user-friendly with its default settings. As a vital component of a developer's toolkit, a text editor often collaborates with other tools rather than functioning in isolation. With the integrated GitHub package, you can seamlessly manage your Git and GitHub workflows directly in Atom—creating branches, staging and committing changes, pushing and pulling updates, resolving merge conflicts, and reviewing pull requests, all from within the editor. This package comes pre-installed with Atom, meaning you can start right away! Atom is compatible with various operating systems, including OS X, Windows, and Linux, ensuring a wide accessibility. You can easily search for and install new packages or even develop your own straight from the editor. Additionally, Atom enhances your coding efficiency with its intelligent and adaptable autocomplete feature, and it allows you to conveniently browse and open individual files, entire projects, or multiple projects simultaneously within a single window, making it a versatile choice for developers. Overall, Atom is designed to make coding smoother and more efficient, catering to both novice and experienced developers alike.

UltraEdit has spent more than 30 years serving users who work beyond the comfort zone of general-purpose editors. It is widely used for tasks such as handling very large files, manipulating complex text and data, and supporting workflows where sensitivity, control, or reliability matter more than they do in everyday editing. For individual professionals, UltraEdit is often the tool people reach for when standard editors start to feel limiting — whether that means repetitive advanced edits, heavier files, or more demanding data work. For organizations, it fills a different role: a commercially supported editor for sensitive workflows and regulated environments such as banking, insurance, healthcare, government, and other settings where unsupported tools create too much uncertainty. Today, UltraEdit reports more than 4 million users worldwide and is used by enterprise customers across the Fortune 100, 500, and 1000.

The premier HTML and text editor designed specifically for Mac users, equipped with advanced features that enhance the editing, searching, and text manipulation experience. This tool stands out for its efficiency and user-friendly interface, making it a top choice for professionals in the field.

Geany stands out as a robust, efficient, and lightweight text editor designed specifically for programmers, offering a wealth of features that enhance productivity without slowing down the user experience. It is compatible with Linux, Windows, and MacOS, supports over 40 languages, and accommodates more than 50 programming languages natively. One of the main motivations behind creating Geany was the demand for a versatile, user-friendly, and cross-platform IDE/editor that combines flexibility with power. While various editors fulfill some of these criteria, many fail to adequately address others. Geany is distributed under the GPL v2 license, ensuring that users have the freedom to modify and improve the software, while also allowing the entire community to benefit from those enhancements. Its highly customizable components, such as color themes (known as Geany Themes) and the ability to add new file types, cater to diverse user preferences. Additionally, Geany is equipped with numerous settings that allow for extensive personalization, ensuring it meets the unique needs of its users, including support for popular programming languages like C, Java, PHP, HTML, and JavaScript. Ultimately, Geany appeals to developers looking for a reliable tool that combines simplicity with comprehensive functionality.

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.

QuickEdit is a robust and efficient text editor designed specifically for Android devices, ensuring optimal performance on both phones and tablets. This advanced notepad comes equipped with a variety of enhancements, including a code editor that supports syntax highlighting for over 40 programming languages. It delivers exceptional performance and provides real-time feedback, even when handling large text files exceeding 10,000 lines. Users can easily undo and redo changes without any restrictions, manage line indents effortlessly, and enjoy smooth scrolling in both vertical and horizontal directions. The app allows users to jump directly to a specified line number and automatically detects character encoding for convenience. Additionally, it offers a preview feature for HTML and Markdown files, the ability to edit system files on rooted devices, and quick access to recently opened or added files. Furthermore, QuickEdit supports both light and dark themes, making it a versatile choice for various user preferences. With its extensive features, QuickEdit proves to be an indispensable tool for anyone needing a comprehensive text editing solution on their Android device.

Experience a versatile, cross-platform code editor that accommodates more than 60 programming languages across 9 different platforms. You can build or compile your projects seamlessly, and by simply double-clicking on an error message in the Build window, you can swiftly navigate to the relevant line of code. Each error and warning is clearly indicated with an icon located in the left margin for easy identification. Additionally, the overview bar next to the vertical scrollbar provides a visual representation of errors and warnings in relation to your current scroll position within the document. For a more efficient workflow, you can either drag the scrollbar slider to a marked location or click directly on the mark to bring it into view. SlickEdit also features an integrated debugging tool that serves as a user-friendly interface for a variety of debuggers. You can set breakpoints, step through code, inspect the stack, and examine variables and members, offering all the essential functionalities you would anticipate from a debugging tool. Furthermore, SlickEdit facilitates debugging for numerous languages, including GNU C/C++, Java, WinDbg, Clang C/C++ LLDB, Google Go, Python, Perl, Ruby, PHP, XCode, Scala, C# with Mono, Visual Basic with Mono, and Android JVM/NDK, making it a comprehensive solution for diverse development needs. This extensive support makes SlickEdit an invaluable tool for developers working in multiple environments.

ConTEXT is a small, powerful and fast text editor for software developers. Unlimited file sizes, unlimited open files, powerful syntax highlighting, Delphi/Pascal and 80x86 assemblers, Java, Java Script and Visual Basic, Perl/CGI HTML, SQL, Python PHP, Tcl/Tk. User-definable syntax highlighter. Project workspaces. Compiler integration. Multi-language support. Many other features.

Arachnophilia serves as both a workshop for web page creation and a versatile tool for programming. It is developed using the Java programming language.

The source code for Microsoft's Visual Studio Code (VSCode) is available as open source under the MIT license, yet the downloadable version of the product is subject to a different license that is not considered free and open-source software (FLOSS) and includes telemetry features. To provide an alternative, the VSCodium project was created, allowing users to avoid the hassle of downloading and building from the source code by offering pre-built binaries. This project utilizes specialized build scripts that fetch Microsoft's VSCode repository, execute the necessary build commands, and subsequently upload the finished binaries to GitHub releases, all of which are licensed under the MIT license and have telemetry features disabled. For users on Mac OS X Mojave, if you encounter the message “App can’t be opened because Apple cannot check it for malicious software” when you first try to open VSCodium, you can simply right-click the application and select Open, which should only be necessary the first time you launch it on that operating system. Additionally, comprehensive documentation is available for anyone looking to transition from Visual Studio Code, as well as for addressing various issues that may arise during use of VSCodium. This ensures users have access to all the guidance they need for a smooth experience.

Nvu offers a comprehensive web authoring system tailored for users of Linux Desktop, Microsoft Windows, and Macintosh, aiming to compete with established programs like FrontPage and Dreamweaver. With its user-friendly interface, Nvu, pronounced "N-view" for a "new view," enables anyone to effortlessly create web pages and manage their websites without requiring technical skills or knowledge of HTML. Both Nvu and its community-supported counterpart, KompoZer, are free and open-source, allowing users to seek assistance if they encounter issues. Although Nvu 1.0 was released in June 2005 and is the final official version found on most download platforms, it is not the most up-to-date or optimal iteration of the software. An unofficial update named "KompoZer" is available, which addresses some of the significant bugs present in NVU 1.0, though it may not resolve all issues. If NVU 1.0 is functioning well for you, it may be best to continue using it, but if you experience difficulties, trying out KompoZer could offer some improvements and enhance your web development experience. Many users appreciate the community support and ongoing development that KompoZer provides, making it a valuable alternative for those looking to enhance their website management capabilities.

Carry your work with you wherever you go, whether you're waiting for public transport or unwinding on a sunny beach. You can conveniently edit your files straight from the cloud, as DroidEdit is compatible with various platforms like Dropbox, Drive, Box, (S)FTP servers, and Git, with even more file providers on the way. It boasts syntax highlighting for nearly 200 programming languages, making it a versatile choice for developers. When an urgent call comes in requesting code modifications, there's no need to rush back to the office; simply grab your mobile device and make the necessary changes on the go. You can check out, edit, commit, and push updates directly from your smartphone or tablet, ensuring you stay productive no matter where you are. Everyone has their own preferences—some developers thrive with dark themes, while others favor bright white backgrounds. With a variety of themes available for syntax highlighting, you can easily find one that suits your style, or even design your own if you wish. Additionally, streamline your coding process by using Emmet to transform simple expressions into fully developed HTML code automatically. This flexibility allows you to code efficiently while enjoying the freedom of mobility, making it easier than ever to stay on top of your projects.

CodeRunner is an efficient, lightweight programming text editor and integrated development environment (IDE) tailored for macOS. This versatile application was crafted to accommodate a diverse array of popular programming languages and execute them without delay. By default, it can run code in 25 different languages, but users can easily configure it to support additional languages through their respective terminal commands. With a robust offering of over 200 syntax modes, an array of advanced editing capabilities, and thoughtful design elements, CodeRunner is sure to become your preferred editor for all types of text files. Its code completion functionality stands out as one of the finest available in any IDE, featuring intelligent text matching that goes beyond mere single-word suggestions. The extra-fuzzy search algorithm allows users to swiftly locate the right completion among thousands, supplemented by useful documentation snippets and a smart ranking system for results. Instead of cluttering your code with print statements for debugging, take advantage of CodeRunner's comprehensive built-in debugging tools, which allow you to set breakpoints and step through your code seamlessly. With its user-friendly interface and powerful features, CodeRunner is ideal for both novice programmers and seasoned developers alike.

Maqetta is a free and open-source project designed for the WYSIWYG visual creation of HTML5 user interfaces. Since the Maqetta application is developed using HTML, it operates directly within web browsers without the need for additional plugins or software installations. It is offered under a commercially-friendly open-source license, allowing users to download the source code, set it up on their own servers, modify it to suit their requirements, and contribute enhancements back to the project. Typically, the HTML pages generated by Maqetta are compatible with all major browsers, including Internet Explorer, although compatibility can vary based on the JavaScript toolkit utilized and specific coding practices. However, to effectively use the Maqetta application, it is essential to have a recent version of one of the supported browsers, which all provide the necessary HTML5 features that Maqetta depends on. Overall, the project is constructed using entirely open standards technologies, ensuring accessibility and flexibility for developers. This commitment to open standards also facilitates a collaborative environment where developers can innovate and share their modifications.

Buffer Editor is an innovative code and text editing tool designed for seamless software development, code viewing, or note-taking while on the move. Countless programmers rely on Buffer Editor for its swift, robust, and sophisticated coding capabilities on mobile platforms. It allows users to preview a variety of file types compatible with iOS, such as images, PDFs, videos, and documents. You can effortlessly toggle between your currently open files and even open several terminals in separate tabs. Additionally, you can preview content both on localhost and your own server, enhancing your workflow and productivity. With its user-friendly interface and extensive features, Buffer Editor truly stands out in the realm of mobile coding applications.

jEdit stands out as a well-established text editor for programmers, boasting a development history that spans hundreds of person-years, especially when factoring in the creation of plugins. This robust editor surpasses many costly alternatives in terms of functionality and user-friendliness, all while being offered as free software with complete source code under the GPL 2.0 license. It includes a built-in macro language and an extensible architecture for plugins, with a vast selection of macros and plugins readily available. Users can easily download and install these plugins directly from jEdit through the convenient "plugin manager" feature. Additionally, jEdit supports a wide variety of character encodings, such as UTF-8 and Unicode, making it highly versatile. It is designed to be configurable and customizable, encompassing all the essential and advanced features one would anticipate in a modern text editor, ensuring it meets the diverse needs of its users. As a result, jEdit remains a compelling choice for developers seeking a powerful yet accessible tool for their coding tasks.