Best Code Editors for C#

Windsurf is a cutting-edge IDE designed for developers to maintain focus and productivity through AI-driven assistance. At the heart of the platform is Cascade, an intelligent agent that not only fixes bugs and errors but also anticipates potential issues before they arise. With built-in features for real-time code previews, automatic linting, and seamless integrations with popular tools like GitHub and Slack, Windsurf streamlines the development process. Developers can also benefit from memory tracking, which helps Cascade recall past work, and smart suggestions that enhance code optimization. Windsurf’s unique capabilities ensure that developers can work faster and smarter, reducing onboarding time and accelerating project delivery.

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.

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.

UltraEdit has been the preferred text editor for over 2 million users and many Fortune 100/500/1000 customers for almost three decades. UltraEdit is a powerful and fast data processor that can handle large files. It also supports almost any syntax or source language. UltraEdit is often referred to as the "Swiss Army knife" of text editors. It's a powerful tool that can be used by users across many industries and responsibilities. UltraEdit is able to solve almost any problem in text editing, including project management and programming. It can also handle large file manipulations, remote (FTP/SFTP), data sorting, column/block editing, advanced file searching, and text data reformatting. UltraEdit is available on Windows, Mac, and Linux. It is supported by a professional team of developers and customer service personnel located in the USA.

Zed is an advanced code editor crafted for seamless collaboration between humans and AI, emphasizing high performance. Developed entirely in Rust to maximize the efficiency of multiple CPU cores and GPU resources, it allows for the integration of emerging LLMs into your coding workflow for tasks such as code generation, transformation, and analysis. The platform facilitates real-time communication with team members, enabling collaborative note-taking, screen sharing, and project management. With its multibuffer system, users can edit selected excerpts from the entire codebase on a single interface. It also supports inline code evaluation through Jupyter runtimes, allowing for joint notebook editing. Zed is compatible with numerous programming languages, thanks to Tree-sitter, WebAssembly, and the Language Server Protocol. Its quick native terminal is integrated with Zed's language-aware task runner and AI features, enhancing productivity. The editor offers first-class modal editing through Vim bindings, incorporating functionalities such as text objects and marks for efficient navigation. Built by a diverse global community of thousands of developers, Zed encourages users to enhance their experience with a wide array of extensions that expand language capabilities, provide various themes, and more. Furthermore, its user-friendly design aims to streamline development workflows, making it an ideal choice for programmers looking to elevate their coding efficiency.

Lapce is an innovative, open-source code editor designed to provide a swift and responsive experience, especially beneficial for developers tackling extensive projects or intricate codebases. Developed using Rust, Lapce takes advantage of native development's performance benefits to ensure a seamless editing experience that minimizes delays. The editor boasts a sleek, contemporary interface alongside advanced features like multi-caret editing, split views, and integrated terminal capabilities. By incorporating support for the Language Server Protocol (LSP), Lapce delivers accurate autocompletion, syntax highlighting, and efficient code navigation for a variety of programming languages, ultimately boosting developer productivity. Its high degree of extensibility, comprehensive plugin support, and emphasis on performance position Lapce as an optimal choice for developers seeking a lightweight yet robust editor that effectively combines simplicity with functionality, making it appealing to both novices and experienced coders alike. Furthermore, Lapce's commitment to community-driven development ensures that it continues to evolve, addressing the needs of users and keeping pace with the ever-changing landscape of software development.

Predator CNC Editor is one of the most popular CNC editor on the market. It has hundreds of features that will improve the productivity of CNC operators, programmers, and machine tool operators. Yet, it is very easy to use. The Predator CNC Editor is a great choice for small shops or large manufacturers.

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.

CodeSandbox aims to make it easier for you to express your ideas with code, and to validate them. It also removes the hassles of setting up development tooling and sharing your project. Join us to help build the future of web coding. Over 4M developers use the platform each month. This includes organizations like Shopify and Atlassian. Since its launch, creators have created over 35M apps. It's used in thousands of open-source projects like React, Vue and Babel. You can invite your friends, colleagues, or team to join you or simply view your creation by using a URL. Use any of 1M+ packages for building real, powerful applications quickly and efficiently. Import and run repos directly from GitHub or choose from hundreds of templates to start in seconds. Boxy, CodeSandbox's AI-powered coding assistant, is now available to all Pro subscriptions.

UEStudio enhances the renowned UltraEdit text editor by incorporating advanced features tailored for developers and teams, including comprehensive Git integration. Within UEStudio, you can effortlessly clone, checkout, update, commit, push/pull, and perform various other operations to efficiently manage your Git repositories. As a powerful Git editor, UEStudio merges the capabilities of top-tier text editing with Git functionalities all in one convenient platform. You can modify and refresh your source files, then commit changes with a simple hotkey or mouse click, streamlining the development process. The Git branch manager in UEStudio allows for easy merging of branches, and if you prefer, you can utilize the Git shell for command-line operations. You can swiftly examine and resolve merge conflicts using UltraCompare’s merge tool, ensuring a smooth workflow. Furthermore, UEStudio intelligently analyzes your project and source files, providing automatic code completion to enhance productivity and coding efficiency. This seamless integration of features makes UEStudio an invaluable tool for developers seeking to optimize their coding experience.

Kakoune is a remarkably efficient modal text editor that emphasizes real-time feedback and offers powerful, intuitive options for multi-selection. Drawing inspiration from Vim, it presents a unique perspective on modal editing by prioritizing a selection-based workflow, which enhances the natural fluidity of text manipulation. Unlike traditional editors where commands are executed on cursors, Kakoune empowers users by allowing commands to act on selections, thus facilitating precise and rapid editing and navigation. With features such as robust multi-caret editing, context-aware autocompletion, and extensive support for various programming languages, Kakoune is optimized for handling large files and intricate codebases with ease. Its design allows for scripting and extension using shell commands, ensuring seamless integration with UNIX tools and offering users a high degree of customization. Renowned for its remarkable responsiveness and adaptability, Kakoune is particularly well-suited for developers who favor a keyboard-driven interface and value immediate, real-time feedback throughout their editing tasks. This makes it an excellent choice for those looking to enhance their productivity in coding environments.

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.

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.

Developed entirely from the ground up, JetBrains Fleet draws on two decades of experience in creating integrated development environments (IDEs). It utilizes the robust IntelliJ code-processing engine, featuring a distributed architecture and a fresh user interface designed for modern developers. Our aim with Fleet was to create a swift and efficient text editor that allows for quick code browsing and editing. It launches almost instantaneously, enabling you to start your work without delay, and has the capability to seamlessly evolve into a full-fledged IDE, with the IntelliJ engine operating independently from the editing interface. Fleet encompasses all the beloved features of IntelliJ-based IDEs, such as code completion tailored to your project context, easy navigation to definitions and usages, real-time code quality assessments, and convenient quick-fixes. The architecture of Fleet is thoughtfully designed to accommodate various configurations and workflows, allowing it to run locally on your machine or to offload some processes to the cloud, showcasing its versatility and adaptability for different development needs. This flexibility ensures that developers can choose the setup that best fits their workflow requirements.

Helix Editor stands out as an advanced, contemporary text editor tailored for developers who desire a swift, customizable, and effective editing experience. Emphasizing productivity, Helix employs a modal editing approach reminiscent of Vim, enabling users to effortlessly navigate, select, and alter text through user-friendly keyboard shortcuts. Its extensive feature set encompasses syntax highlighting, multi-caret editing, and compatibility with programming languages such as Rust, Python, and JavaScript. Furthermore, Helix leverages the Tree-sitter parsing library to deliver precise syntax-aware editing, facilitating the management of intricate code structures. The editor's streamlined interface, combined with its strong emphasis on performance, makes Helix Editor an exceptional choice for programmers who value both speed and adaptability in their development processes. Overall, this editor fosters an efficient coding environment, empowering developers to focus on their projects with minimal distractions.

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.

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.

RunCode offers online workspaces that allow you to work in a web browser on code projects. These workspaces offer a complete development environment that includes a code editor, a terminal and access to a variety of tools and libraries. These workspaces are easy to use and can be set up on your own computer.