Best Code Editors for Ruby

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.

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.

EmEditor is a quick, lightweight, and highly customizable text editor designed for Windows, offering user-friendly features. It comes in both native 64-bit and 32-bit versions, with the 64-bit variant additionally providing distinct builds optimized for SSE2 (128-bit), AVX-2 (256-bit), and AVX-512 (512-bit) instruction sets, catering to a wide range of user needs. This versatility makes it a popular choice among various coding and editing professionals.

Enhance your coding speed using the integrated development environment tailored for modern web programming languages such as Python, PHP, Perl, Golang, Ruby, and several others. This powerful tool can significantly streamline your development process, making it easier to tackle complex projects efficiently.

Installing LaTeX is a straightforward process, and you can begin utilizing it immediately, regardless of your prior experience. Overleaf provides a fully equipped LaTeX environment that operates on their servers, allowing for instant access. Using Overleaf ensures that you have a consistent LaTeX setup no matter where you are, which is particularly beneficial when collaborating with colleagues and students, as it eliminates any potential version discrepancies or package conflicts that could arise. This seamless integration fosters a more efficient and productive workflow for everyone involved.

Bluefish is a robust text editor designed specifically for programmers and web developers, offering a wide array of tools for creating websites, scripts, and various coding languages. It accommodates numerous programming and markup languages, making it versatile for different coding needs. For a detailed look at its features, users can explore the overview, browse through screenshots, or download the editor directly. As an open-source project, Bluefish is distributed under the GNU GPL license, promoting free use and distribution. This multi-platform application is compatible with a variety of desktop operating systems such as Linux, FreeBSD, MacOS-X, Windows, OpenBSD, and Solaris. The latest version, Bluefish 2.2.12, is a minor maintenance update that introduces some new features, including a crucial fix for a crash that occurred during simple searches. Enhancements have also been made in Python 3 compatibility, and the detection of encoding in Python files has seen improvements. Additionally, the triple-click function now allows users to select entire lines easily, and on Mac OSX, Bluefish has been optimized to better handle new permission features. Furthermore, issues with displaying the correct language in the Bluefish user interface for certain languages on OSX have been resolved. With these updates, users can expect a smoother and more efficient coding experience.

TextMate is a robust and highly customizable text editor that supports a vast array of programming languages and is developed under an open-source license. The editor simplifies the process of making multiple edits simultaneously by allowing users to easily add several insertion points for quick code alterations. Users can specify their search criteria, and TextMate efficiently displays results, enabling quick navigation between matches, extraction of relevant text, or previewing intended replacements. It also features a file browser that highlights changes, an editor view that marks modified lines, and the ability to generate diffs for the current file's alterations, all while seamlessly integrating with major version control systems. Whether you're dealing with files that incorporate multiple languages, projects that utilize various build systems, or third-party code with different formatting styles, TextMate adeptly manages it all by linking comprehensive scope selectors to keyboard shortcuts and customized settings. Additionally, this flexibility ensures that developers can maintain their preferred workflows while efficiently navigating complex coding environments.

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.

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.

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.

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.

The Mac web editor has made its return, aimed at those who create engaging, cutting-edge, and swift websites with a matching application. Espresso empowers users to write, code, design, construct, and launch their projects with both style and efficiency. It boasts advanced text capabilities, an impressive Live Preview feature with Browser Xray, CSSEdit tools, a Navigator for easy navigation, Dynamo for automatic building, and Server Sync for seamless updates. Regardless of whether you are developing a website from the ground up or making adjustments to an existing one, Espresso is designed to meet your needs. You can modify CSS on live sites and instantly observe your design changes without the hassle of publishing, reloading, or saving. Espresso uniquely allows for an enjoyable, straightforward, and non-destructive experience when working with live projects. The latest version of Espresso enables you to create not only high-quality standard CSS but also modular SCSS and LESS. With its stunning navigator, Dynamo's auto-building capabilities, and exceptional integration with live previews and overrides, styling becomes an absolute pleasure. This combination of features makes Espresso an indispensable tool for modern web development.

Textastic for Mac serves as an ideal desktop counterpart to the widely used iOS code editor. Featuring compatibility with over 80 source code and markup languages, it seamlessly extends the robust syntax highlighting capabilities of its iOS version to the Mac platform. Users can easily integrate their own syntax definitions that are compatible with TextMate and Sublime Text. The Mac version is derived from the same code editor that powers the iOS application, ensuring a consistent experience. It utilizes native macOS APIs like Core Text, which enhances performance and speed. The app simplifies your workflow with features such as code completion, file navigation through a symbol list, and support for contemporary Mac functionalities like Auto Save and Versions. Additionally, with iCloud Drive integration, syncing files between macOS and iOS devices becomes a hassle-free process. This application not only supports a vast array of coding languages but also includes features such as iCloud auto-save and macOS Versions, making it a comprehensive tool for developers. Furthermore, it allows for the importation of syntax definitions, themes, and templates from TextMate, enhancing its customization options.

Komodo Edit serves as an excellent choice for those seeking a powerful and straightforward editor. On the other hand, Komodo IDE offers advanced features like debugging, unit testing, code refactoring, and code profiling for more complex development needs. As software vendors increasingly serve as the first line of defense against security threats, even a single compromised update can expose countless customers to potential cyberattacks. Avoid becoming another SolarWinds incident by opting for comprehensive solutions. Instead of juggling multiple discrete tools and bespoke coding, the ActiveState Platform offers a ready-made solution that helps safeguard the security and reliability of the open source components you utilize and manage. This proactive approach not only enhances security but also streamlines your development process, allowing you to focus on building innovative solutions.

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.

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.

Introducing a cutting-edge, intelligent, and adaptable cloud-based IDE. CodeTasty stands out as a powerful online IDE, offering unique features that only a cloud application can provide. It allows you to write clean, readable code more efficiently and collaboratively in real time. With a smooth user interface, the code editor is equipped with tools for error detection, code completion, built-in compilation, and a myriad of additional functionalities. Simply log into the IDE to begin coding without any installation requirements, enabling you to dive straight into your projects. Enjoy the speed and performance akin to desktop applications while editing your files in the cloud, and gain the advantage of real-time visibility into your collaborators' activities. Recognizing that every developer has unique requirements, you can enhance your workflow by installing numerous extensions tailored to boost your productivity. Supporting over 40 programming languages, CodeTasty caters to all major languages and can handle files containing up to a hundred thousand lines of code, making it a versatile choice for developers. Furthermore, its user-friendly interface ensures that even newcomers can quickly adapt and make the most of its features.

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.

To be candid, Mac applications seem to be fading into obscurity. While there are valid motivations for developing cross-platform applications — primarily their versatility — it doesn't align with our core identity. Established as a Mac software developer in 1997, the team at Panic finds joy in creating products that embody the essence of Mac. Many years ago, we introduced Coda, a groundbreaking all-in-one web editor specifically for Mac users. However, as we began developing Nova, we reassessed the current landscape of the web and recognized the need for a new beginning. Hence, our journey commenced with a top-tier text editor that is not only brand new but also incredibly fast and adaptable, packed with all the essential features like intelligent autocomplete, multiple cursors, a Minimap, editor overscroll, and tag pairs and brackets, among many others. For those interested, Nova offers integrated support for a variety of languages including CoffeeScript, CSS, Diff, ERB, Haml, HTML, INI, JavaScript, JSON, JSX, Less, Lua, Markdown, Perl, PHP, Python, Ruby, Sass, SCSS, Smarty, SQL, TSX, TypeScript, XML, and YAML. This extensive support ensures that developers have the tools they need to work efficiently and effectively across multiple programming languages.

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.

Spacemacs is a community-centric distribution of Emacs that revolutionizes the editing experience by integrating both Emacs and Vim's strengths. This innovative editor emphasizes ergonomic design, mnemonic organization, and consistency throughout its interface. Key bindings are thoughtfully categorized with mnemonic prefixes such as b for buffer, p for project, s for search, and h for help, making navigation intuitive. Users benefit from a unique real-time display that highlights available key bindings, enhancing usability. The platform also features a streamlined query system to effortlessly locate layers, packages, and more. With a standardized set of conventions, similar functionalities utilize the same key bindings across the board, promoting familiarity. Additionally, the community-driven configuration ensures that users have access to a curated selection of packages optimized by experienced users, while bugs are addressed promptly, fostering a reliable and efficient working environment. This makes Spacemacs not just an editor, but a vibrant community of users supporting one another in their coding journeys.

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.