List of the Top 15 AI IDEs for Java in 2025

Windsurf is an innovative IDE built to support developers with AI-powered features that streamline the coding and deployment process. Cascade, the platform’s intelligent assistant, not only fixes issues proactively but also helps developers anticipate potential problems, ensuring a smooth development experience. Windsurf’s features include real-time code previewing, automatic lint error fixing, and memory tracking to maintain project continuity. The platform integrates with essential tools like GitHub, Slack, and Figma, allowing for seamless workflows across different aspects of development. Additionally, its built-in smart suggestions guide developers towards optimal coding practices, improving efficiency and reducing technical debt. Windsurf’s focus on maintaining a flow state and automating repetitive tasks makes it ideal for teams looking to increase productivity and reduce development time. Its enterprise-ready solutions also help improve organizational productivity and onboarding times, making it a valuable tool for scaling development teams.

VSCode represents a groundbreaking shift in the realm of code editing, being entirely free, open-source, and available across multiple operating systems. Beyond basic syntax highlighting and autocomplete features, it incorporates IntelliSense, which offers smart suggestions tailored to the types of variables, function definitions, and imported modules you are using. The editor also allows you to debug your code seamlessly, enabling you to either launch or connect to your running applications while utilizing breakpoints, call stacks, and an interactive console for a more thorough analysis. Integrating with Git and other source control management (SCM) systems has never been easier; you can inspect differences, stage files, and commit changes directly from the editor interface. Effortlessly pushing and pulling changes from any hosted SCM service adds to the convenience. If you're seeking more features, you can enhance your VSCode experience with extensions that bring in new programming languages, themes, debuggers, and connections to a wide array of services. These extensions function in separate processes, ensuring that they do not compromise the performance of your editor. The potential for customization through extensions is virtually limitless. Additionally, with the support of Microsoft Azure, you can effectively deploy and host diverse websites developed using frameworks like React, Angular, Vue, and Node, while having the capability to manage both relational and document-based data seamlessly, enabling effortless scalability through serverless computing options. This robust integration not only optimizes your development workflow but also significantly boosts your overall productivity, making VSCode an indispensable tool for developers.

IntelliJ IDEA is a comprehensive, cutting-edge IDE from JetBrains designed to empower professional developers working primarily in Java and Kotlin. It accelerates development by automating repetitive tasks and providing intelligent coding assistance, helping developers write cleaner, more reliable code. Supporting the entire software development lifecycle, IntelliJ IDEA offers tools for design, implementation, debugging, testing, and deployment—all in one seamless environment. The latest release includes full Java 24 support, integrating new language features like stream gatherers for enhanced debugging workflows. Kotlin’s K2 mode is now enabled by default, providing faster code analysis, improved memory use, and better support for the latest Kotlin language features. A new Kotlin Notebook feature facilitates live prototyping, documentation, and data analysis directly inside the IDE. IntelliJ IDEA’s Spring Debugger simplifies working with dynamic database connections, improving developer efficiency in complex projects. With strong customization options, developers can tailor the IDE’s appearance and behavior to their workflow. JetBrains enforces strict compliance with industry-leading security standards such as SOC 2, safeguarding organizational data. Trusted by millions worldwide, IntelliJ IDEA is the IDE of choice for developers aiming for superior productivity and code quality.

Meet the Lightning-Smart PHP IDE, PhpStorm, which possesses an in-depth understanding of your coding practices. Specifically designed for frameworks such as Symfony, Laravel, Drupal, WordPress, Zend Framework, Magento, Joomla!, CakePHP, Yii, and beyond, PhpStorm adeptly navigates the complexities of your code architecture. It supports all aspects of the PHP language, making it perfectly suited for both contemporary and older projects. With PhpStorm, you gain access to exceptional code completion, sophisticated refactorings, and proactive error detection features. Furthermore, it integrates seamlessly with modern front-end technologies like HTML 5, CSS, Sass, Less, Stylus, CoffeeScript, TypeScript, Emmet, and JavaScript, providing comprehensive refactoring, debugging, and unit testing capabilities. The Live Edit feature allows for real-time updates visible in the browser, significantly enriching your development process. In addition, you can perform various routine tasks directly within the IDE due to its compatibility with Version Control Systems, support for remote deployments, databases/SQL, command-line utilities, Docker, Composer, REST Client, and a wide range of other vital tools, effectively enhancing your workflow. Ultimately, PhpStorm equips developers to operate more productively and adeptly across diverse platforms and technologies, ensuring a smoother coding experience. With its robust features and integrations, PhpStorm stands out as an invaluable asset for any developer seeking to elevate their coding efficiency.

Experience our free, collaborative IDE that functions directly in your browser, enabling you to code in more than 50 programming languages without any installation hassle. You can start coding in your language of choice from any device, regardless of the operating system or platform you use. Invite friends, team members, and colleagues to collaborate in real-time, much like how Google Docs allows for simultaneous editing. Effortlessly import, run, and collaborate on numerous GitHub repositories without the need for tedious manual setups. Whether your interests lie in Python, C++, HTML, or CSS, our platform empowers you to learn and code in any language you wish, all within a single environment. As soon as you create a new repl, it immediately becomes live and shareable with users worldwide. Join a community of over 3 million passionate programmers, technologists, creatives, and learners who are excited to improve their coding abilities. Enhance your team's productivity with interactive documentation, real-time collaboration tools, and straightforward options for remote interviewing. Moreover, you can create applications programmatically, develop bots, and customize the IDE with plugins according to your specific needs, ensuring a tailored coding journey. This comprehensive platform aims to make coding not only more accessible but also more enjoyable for everyone involved, fostering a vibrant learning atmosphere. With such a diverse range of features, it caters to both novice and experienced developers alike, promoting growth and collaboration in the coding community.

Project Jupyter is focused on developing open-source tools, standards, and services that enhance interactive computing across a variety of programming languages. Central to this effort is JupyterLab, an innovative web-based interactive development environment tailored for Jupyter notebooks, programming, and data handling. JupyterLab provides exceptional flexibility, enabling users to tailor and arrange the interface according to different workflows in areas such as data science, scientific inquiry, and machine learning. Its design is both extensible and modular, allowing developers to build plugins that can add new functionalities while working harmoniously with existing features. The Jupyter Notebook is another key component, functioning as an open-source web application that allows users to create and disseminate documents containing live code, mathematical formulas, visualizations, and explanatory text. Jupyter finds widespread use in various applications, including data cleaning and transformation, numerical simulations, statistical analysis, data visualization, and machine learning, among others. Moreover, with support for over 40 programming languages—such as popular options like Python, R, Julia, and Scala—Jupyter remains an essential tool for researchers and developers, promoting collaborative and innovative solutions to complex computing problems. Additionally, its community-driven approach ensures that users continuously contribute to its evolution and improvement, further solidifying its role in advancing interactive computing.

JetBrains Rider serves as a powerful and versatile cross-platform IDE tailored for .NET development, enabling the creation of applications across .NET, ASP.NET, .NET Core, Xamarin, and Unity on Windows, Mac, and Linux platforms. It is developed on the IntelliJ framework and is enriched by ReSharper's features, ensuring compatibility with .NET Framework, cross-platform .NET Core, and Mono projects. This adaptability allows developers to construct an extensive range of applications, including desktop applications, web services, mobile apps, and Unity games. With over 2200 live code inspections, Rider provides a wealth of context actions and refactorings, effectively merging ReSharper's strengths with the robust functionalities of the IntelliJ ecosystem. The IDE emphasizes performance and user responsiveness, which contributes to an efficient development workflow. Furthermore, Rider supports debugging and running applications across different runtimes while functioning seamlessly on various operating systems. In addition, it includes more than 60 refactorings borrowed from ReSharper and presents a diverse array of over 450 context actions, significantly boosting overall productivity for developers engaged in .NET projects. This combination of features not only streamlines coding processes but also fosters a more enjoyable programming environment.

Enhance your programming experience by utilizing language-specific syntax and error highlighting, along with features such as code formatting, auto-completion, and instant documentation. Take advantage of an intelligent search function that allows you to quickly find any class, file, symbol, or specific actions and tool windows within the IDE. With a single click, you can easily access declarations, super methods, tests, usages, implementations, and additional resources. Navigate your Rails project with remarkable speed, benefiting from an MVC-oriented project view and diagrams that detail model, class, and gem dependencies. Maintain adherence to community best practices through code inspections that identify various potential issues in your code, providing immediate improvement suggestions via quick-fix options. Automated refactorings help keep your code clean and maintainable, while Rails-aware features support project-wide updates—for example, renaming a controller will seamlessly update the associated helper, views, and tests. This extensive toolkit streamlines your workflow, enabling developers to concentrate on crafting robust applications rather than getting caught up in repetitive tasks. Moreover, the integration of these advanced features fosters a more enjoyable coding environment, encouraging creativity and innovation.

Fine is a cutting-edge platform that harnesses artificial intelligence to assist startups by automating numerous processes within the software development lifecycle. It offers a range of AI-driven workflows that simplify tasks such as coding, debugging, testing, and code review, empowering teams to implement daily updates and quickly address pull requests. Fine can autonomously generate and implement code, evaluate pull requests, design tests, and tackle standard challenges without requiring constant supervision from developers. With seamless integration into GitHub, it supports asynchronous collaboration, making it particularly suitable for fast-paced startup settings. Furthermore, Fine provides real-time feedback and live previews, significantly boosting productivity and refining the overall development process. By utilizing these sophisticated capabilities, teams can devote more attention to strategic initiatives while the platform efficiently manages routine tasks, ultimately leading to a more streamlined development experience. This innovative approach not only enhances team efficiency but also fosters an environment where creativity and innovation can thrive.

Introducing MarsCode: a cutting-edge AI development platform ready for immediate implementation. This state-of-the-art tool boasts an 'out-of-the-box cloud AI IDE' alongside a 'robust AI assistant,' making it indispensable for developers eager to elevate their skills while optimizing their workflows. Its key features include: 1. A cloud-based AI IDE that liberates developers from the constraints of specific devices and locations. 2. Compatibility with local IDEs, blending traditional development methodologies with advanced AI functionalities. 3. A comprehensive suite of tools for code completion, bug detection, and optimization, providing smart assistance throughout the entire coding experience. 4. An intelligent Q&A feature at the repository level that allows developers to focus on their work with enhanced ease. 5. Flexible deployment options for various application types, such as websites, AI plugins, and APIs, addressing a wide spectrum of development needs. With MarsCode, developers not only unlock powerful resources but also discover an elevated level of productivity and efficiency in their projects. This innovative platform is set to transform the way developers approach their coding tasks.

Aqua emerges as the revolutionary integrated development environment (IDE) specifically crafted for test automation. This all-encompassing workspace efficiently incorporates Selenium, Cypress, and Playwright, ensuring a flexible setting for its users. As a polyglot IDE, Aqua supports multiple programming languages, such as Java, Python, JavaScript, TypeScript, Kotlin, and SQL. It simplifies the testing workflow by removing the hassle of extensive plugin installations and configurations that often bog down productivity. What distinguishes Aqua from its competitors is its unique array of features designed to meet the daily demands of a test automation engineer. The built-in Web Inspector operates like an integrated browser, allowing users to easily capture any page element without toggling between different applications. Furthermore, Aqua includes an HTTP client for API testing and facilitates smooth integration with databases, Docker, and version control systems. By easing the intricacies of even the most challenging tasks, Aqua greatly improves the overall user experience. The combination of intelligent code analysis, powerful search capabilities, and refactoring tools, along with its intuitive design, empowers users to elevate their productivity in quality engineering tasks. Ultimately, Aqua not only enhances the current workflow but also serves as a groundbreaking tool that reshapes the future of test automation development, making it indispensable for engineers.

Kiro is a sophisticated integrated development environment driven by artificial intelligence, aimed at optimizing AI-enhanced programming by converting natural language commands into organized requirements, system designs, and detailed implementation tasks, all of which undergo rigorous testing. Specifically tailored for autonomous workflows, it boasts functionalities such as specification-driven development, multimodal interactions, and "agent hooks" that trigger background operations during specific events like file saving, in addition to an autopilot feature that manages lengthy scripts while keeping the user actively involved. By proficiently handling context, Kiro reduces redundancy and eases the incorporation of intricate features within large codebases. Its native integrations with MCP facilitate effortless connections to documentation, databases, and APIs, while users can guide the development process through visual tools like user interface designs or architectural schematics. Emphasizing enterprise-grade security and privacy, Kiro ensures secure deployment, and its compatibility with Claude Sonnet models, Open VSX plugins, and established VS Code setups provides a seamless and AI-enhanced user experience. Furthermore, the platform is designed for continuous growth, adapting to user input and technological advancements to uphold its leadership in the realm of software development tools. This ongoing evolution guarantees that Kiro remains relevant and effective in meeting the dynamic needs of modern programmers.

Void is a derivative of VS Code that functions as an open-source AI code editor, presenting itself as an alternative to Cursor and aimed at providing developers with enhanced AI capabilities while prioritizing data autonomy. It allows for seamless integration with a variety of large language models, such as DeepSeek, Llama, Qwen, Gemini, Claude, and Grok, enabling direct connections that do not depend on a private backend. Key features include tab-triggered autocomplete, an inline quick edit capability, and a versatile AI chat interface that offers standard chat, a restricted gather mode for read-only tasks, and an agent mode designed to automate file, folder, terminal command, and MCP tool operations. Additionally, Void boasts impressive performance attributes, such as swift file application for documents with thousands of lines, detailed checkpoint management for model updates, native tool execution, and lint error detection. Developers can transition their themes, keybindings, and settings from VS Code with remarkable ease using a single click, and they have the option to host their models either locally or in the cloud. This distinctive blend of functionalities positions Void as an appealing choice for developers in search of robust coding resources while ensuring control over their data. Ultimately, Void not only enhances productivity but also fosters a more personalized coding environment.

Eclipse Theia enables the development of multi-language IDEs for both Cloud and Desktop environments, utilizing cutting-edge web technologies. If you're uncertain about whether to opt for a desktop or web-based solution, Theia empowers you to build a single IDE that can operate seamlessly in web browsers or as a native desktop application, all from one codebase. Managed by the Eclipse Foundation, a non-profit organization, Theia is cultivated by a wide-ranging community of contributors. Unlike many other open-source projects, those hosted under an Open-Source Foundation enjoy protection from unilateral vendor decisions that could negatively impact the interests of the community. Theia's modular architecture permits users to tailor and enhance every facet of the IDE. Creating a customized IDE-like product is straightforward; you just need to specify the necessary extensions in a package.json file. Adding new features is also a breeze, as you can implement your extensions with ease, providing you with unparalleled flexibility in your development process. This adaptability makes it an excellent choice for developers looking to innovate and refine their tools.

Built from scratch, JetBrains Fleet leverages twenty years of expertise in developing integrated development environments (IDEs). It employs the powerful IntelliJ code-processing engine, boasting a distributed architecture alongside a modern user interface tailored for today's developers. The primary objective behind Fleet was to design a fast and effective text editor that facilitates rapid code browsing and editing. It opens almost instantaneously, allowing users to commence their tasks without any interruptions, and it possesses the ability to transform into a comprehensive IDE, with the IntelliJ engine functioning separately from the editing interface. Fleet includes all the popular features associated with IntelliJ-based IDEs, including context-specific code completion, straightforward navigation to definitions and usages, real-time evaluations of code quality, and handy quick-fixes. The thoughtful architecture of Fleet is crafted to support a range of configurations and workflows, which means it can operate locally on your device or delegate certain processes to the cloud, highlighting its adaptability for various development tasks. This inherent flexibility guarantees that developers can select the configuration that aligns perfectly with their workflow preferences, ultimately enhancing productivity levels. In a landscape where efficiency is paramount, Fleet stands out as a tool that can evolve alongside the needs of the developer.