Best Text Editors for Kotlin

IntelliJ IDEA by JetBrains is an IDE for professional Java and Kotlin development. It unlocks productivity and helps you write high quality code with ease. It is designed to get the job finished. It provides all the essential tools and support for cutting-edge technologies you need. It lets you code with ease and confidence thanks to a comfortable, smooth workflow and a strong emphasis on privacy and security.

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.

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.

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.

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.

Typora offers a fluid experience for users, serving effectively as both a writing and reading tool. It eliminates the need for a preview window, mode switcher, or any markdown syntax symbols, thereby cutting out unnecessary distractions. Instead, it features a live preview option that allows you to focus solely on your content. The software also facilitates file management with an easily accessible file tree panel and an article list panel, enabling you to organize your files according to your preferences, including integration with sync services such as Dropbox or iCloud. You can effortlessly view the outline structure of your documents in the outline panel, making navigation throughout the document quick and intuitive, as you can jump to any section with just one click. Additionally, Typora allows you to export your work to PDF complete with bookmarks. You can further enhance your productivity by importing and exporting various other formats, such as docx, OpenOffice, LaTeX, MediaWiki, and Epub. To top it off, you can track your document’s length in terms of words, characters, lines, or estimated reading time, providing you with valuable insights into your writing. This comprehensive functionality makes Typora a powerful tool for anyone involved in writing or content creation.

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 a robust application designed for coding and text editing, allowing users to swiftly create software, inspect code, or jot down notes while on the move. Become part of a community of countless developers who rely on Buffer Editor for efficient, sophisticated, and high-performance code editing capabilities across mobile platforms. It supports the previewing of various file types compatible with iOS, such as images, PDFs, videos, and documents. Seamlessly toggle between your active files and open multiple terminal sessions within tabs for enhanced productivity. Additionally, you can preview your projects locally or directly on your server for quick testing and adjustments.