List of the Top 25 Free AI IDEs in 2026

Junie, the AI coding agent by JetBrains, revolutionizes the way developers interact with their code by embedding intelligent assistance directly into JetBrains IDEs like WebStorm, RubyMine, and GoLand. Designed to fit naturally into developers’ existing workflows, Junie helps tackle both small and ambitious coding tasks by providing tailored execution plans and automated code generation. It combines the power of AI with IDE capabilities to perform code inspections, syntax checks, and run tests automatically, maintaining code quality without manual intervention. Junie offers two distinct modes: one for executing code tasks and another for interactive querying and planning, allowing developers to seamlessly collaborate with the agent. Its ability to comprehend code relationships and project logic enables it to propose efficient solutions and reduce time spent on debugging. Developers from various fields, including game development and web design, have showcased impressive projects built entirely or partly with Junie’s assistance. The tool supports multi-file edits and integrates version control system (VCS) assistance, making complex refactoring easier and safer. JetBrains offers multiple pricing plans tailored to individuals and organizations, ranging from free tiers to premium AI Ultimate for intensive daily use. By handling repetitive coding chores, Junie frees developers to focus on the creative and strategic aspects of software development. Overall, Junie stands as a powerful AI companion transforming traditional coding into a smarter, more collaborative experience.

Google AI Studio is a comprehensive platform for discovering, building, and operating AI-powered applications at scale. It unifies Google’s leading AI models, including Gemini 3, Imagen, Veo, and Gemma, in a single workspace. Developers can test and refine prompts across text, image, audio, and video without switching tools. The platform is built around vibe coding, allowing users to create applications by simply describing their intent. Natural language inputs are transformed into functional AI apps with built-in features. Integrated deployment tools enable fast publishing with minimal configuration. Google AI Studio also provides centralized management for API keys, usage, and billing. Detailed analytics and logs offer visibility into performance and resource consumption. SDKs and APIs support seamless integration into existing systems. Extensive documentation accelerates learning and adoption. The platform is optimized for speed, scalability, and experimentation. Google AI Studio serves as a complete hub for vibe coding–driven AI development.

Retool is an AI-driven platform that helps teams design, build, and deploy internal software from a single unified workspace. It allows users to start with a natural language prompt and turn it into production-ready applications, agents, and workflows. Retool connects to nearly any data source, including SQL databases, APIs, and AI models, creating a real-time operational layer on top of existing systems. The platform supports AI agents, LLM-powered workflows, dashboards, and operational tools across teams. Visual app building tools allow users to drag and drop components while seeing structure and logic in real time. Developers can fully customize behavior using code within Retool’s built-in IDE. AI assistance helps generate queries, UI elements, and logic while remaining editable and schema-aware. Retool integrates with CI/CD pipelines, version control, and debugging tools for professional software delivery. Enterprise-grade security, permissions, and hosting options ensure compliance and scalability. The platform supports data, operations, engineering, and support teams alike. Trusted by startups and Fortune 500 companies, Retool significantly reduces development time and manual effort. Overall, it enables organizations to build smarter, AI-native internal software without unnecessary complexity.

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.

Visual Studio Code (VS Code) is an advanced, open-source AI-integrated development environment (IDE) built for productivity, creativity, and collaboration. Designed by Microsoft, it unites code editing, debugging, version control, and AI automation in a single cross-platform workspace. Developers can code in nearly any language—including JavaScript, TypeScript, Python, C++, C#, Java, PHP, and more—using built-in tools or specialized extensions. Its AI features, such as Agent Mode and Next Edit Suggestions, transform VS Code into an autonomous assistant capable of reading entire codebases, suggesting edits, and resolving compile or test issues automatically. With MCP (Model Context Protocol) and multi-model support, developers can use AI models like Claude Sonnet, GPT-4, or Gemini—or connect their own keys via OpenRouter or Azure OpenAI. Deep GitHub integration, remote development, and cloud portability make collaboration effortless across global teams. VS Code’s extensive marketplace offers tens of thousands of extensions—from Docker to Jupyter and Stripe—empowering developers to build and deploy in any environment. Custom profiles, themes, and settings sync allow for a personalized workspace across devices. Its integrated terminal, local history, and debugging tools ensure smooth workflows from prototype to production. Whether building enterprise software, web apps, or AI agents, VS Code redefines what a modern coding experience should feel like: intelligent, fast, and universally accessible.

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.

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.

Bolt.new is a next-generation AI development platform that enables anyone to build robust applications through natural conversation, combining the intelligence of leading coding agents with a streamlined, visual interface. Acting as a full coding companion, it generates code, revises architecture, fixes issues, and manages large project contexts automatically, making complex builds significantly easier. You can start from a blank canvas, import assets from Figma or GitHub, or extend an existing design system so every project remains consistent and on-brand. Bolt.new’s advanced error-reduction engine tests, refactors, and optimizes your code continuously, reducing friction and helping teams stay focused on shipping rather than debugging. With support for projects thousands of times larger than previous versions, it enables true end-to-end product development—from landing pages to enterprise applications. Bolt Cloud enhances the experience with hosting, user authentication, unlimited databases, SEO optimization, analytics, and custom domains, giving teams everything they need without additional tooling. Product managers can rapidly prototype, entrepreneurs can launch full products in days, and agencies can deliver more work without expanding headcount. Students and makers benefit from immediate feedback and a hands-on learning environment that accelerates skill development. The platform also offers robust scalability, allowing builders to create dashboards, mobile apps, CRMs, e-commerce sites, internal tools, and community platforms with ease. Bolt.new transforms how digital products are built by merging AI automation, infrastructure, and design flexibility into a single, frictionless workflow.

Microsoft Visual Studio represents the gold standard for modern software development—uniting powerful AI-assisted coding, comprehensive debugging, and scalable team collaboration. The Visual Studio 2022 IDE is purpose-built for enterprise-grade application development with full support for .NET 10, C++, Azure, and cross-platform deployment. Developers can write, test, and debug applications efficiently using AI-enhanced tools like GitHub Copilot and Agent Mode, which automates complex multi-step workflows such as refactoring, building, and testing. The IDE provides memory analysis, inline fixers, and code quality gates, allowing teams to catch issues early and maintain clean, maintainable codebases. For cross-platform and web developers, Visual Studio Code offers a streamlined, open-source editor that integrates with GitHub, Docker, and Kubernetes, and supports extensions for nearly every programming language. Both environments support intelligent autocomplete, integrated terminals, and version control, empowering developers to move from idea to deployment seamlessly. Enterprise teams benefit from Visual Studio Subscriptions, providing access to Azure credits, cloud testing, training resources, and Microsoft’s entire dev/test catalog. Security and governance are built-in through SIEM integration, access controls, and code policy enforcement. The Visual Studio family is designed to scale with organizations of all sizes—from startups to Fortune 500 companies—while supporting collaboration through real-time editing, cloud hosting, and DevOps pipelines. Backed by Microsoft’s decades of innovation, Visual Studio remains the most complete, AI-driven development platform for building the future of software.

Cursor is a cutting-edge AI development environment built to amplify developer productivity through intelligent collaboration between humans and AI. Developed by Anysphere, Cursor introduces a fundamentally new paradigm for software creation—where developers interact with code through natural language, real-time agents, and precision autocompletion. The platform’s flagship Agent feature functions as a capable coding partner that can autonomously generate, refactor, and test code, while allowing fine-grained user control over each step. The Tab model, trained via online reinforcement learning, provides contextually perfect completions that adapt to your personal coding style and the specific logic of your project. With codebase indexing, Cursor understands the full structure and dependencies of complex repositories, enabling intelligent navigation, instant debugging, and meaningful cross-file reasoning. The IDE integrates seamlessly across the development ecosystem—reviewing pull requests in GitHub, answering queries in Slack, and syncing directly with enterprise CI/CD systems. Developers can choose their preferred AI model, including GPT-5, Claude Sonnet 4.5, Gemini 2.5 Pro, or Grok Code, ensuring optimal performance across different use cases. Cursor’s agentic interface offers an “autonomy slider,” letting users adjust between manual edits and fully autonomous coding sessions. Designed with security and scale in mind, it’s trusted by leading organizations such as Stripe, Figma, Adobe, and Ramp. By merging AI reasoning, precision tooling, and an elegant developer experience, Cursor is shaping the future of how software is built, tested, and shipped.

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.

Dropstone represents a cutting-edge integrated development environment (IDE) that leverages artificial intelligence to enhance software development efficiency. It adapts to a developer's coding practices, providing context-aware code suggestions, automating the refactoring process, and identifying errors in real-time. With support for numerous programming languages and frameworks, it integrates smoothly with version control systems to facilitate improved project management. Furthermore, Dropstone includes autonomous agents that evaluate project contexts, recommend improvements, and automatically take care of routine tasks. By combining AI-driven coding assistance with robust project management features, Dropstone enables developers and teams to streamline their workflows, reduce repetitive tasks, and create high-quality software more effectively. This all-encompassing strategy not only elevates productivity but also cultivates a more collaborative atmosphere for development, ensuring that teams can work together more efficiently than ever before. Ultimately, Dropstone redefines the landscape of software development, making it an invaluable tool for modern programmers.

Google Antigravity is an innovative agentic development environment that marks the evolution of the IDE into a fully AI-driven, multi-agent workspace. Built for the Gemini 3 era, it enables developers to collaborate with autonomous agents that operate cohesively across the editor, terminal, and browser. Each agent can plan, execute, and validate complex tasks—from code generation and debugging to integration testing and deployment—while maintaining complete contextual awareness. The Antigravity interface replaces low-level micromanagement with a higher-level, task-oriented control system, letting developers act as architects guiding teams of intelligent agents. Through cross-surface synchronization, agents share memory and data across all development surfaces, ensuring consistency and coordination across projects. Developers can use natural language prompts to describe tasks, while Antigravity’s artifact-based feedback loop provides transparent insight into every agent decision, output, and verification step. The platform supports both solo developers and enterprise teams, offering a centralized mission control for multi-agent collaboration at scale. Designed with user trust in mind, it prioritizes data privacy, interpretability, and real-time user feedback integration. Antigravity also enhances creativity through vibe coding, allowing developers to build fully functional apps with conversational prompts and instant iteration. By merging intelligent automation with human intent, Google Antigravity redefines what it means to write, test, and ship software in the agent-first era.

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.

Ona, rebranded from Gitpod, represents a new era in cloud-based software development by combining intelligent automation with secure, enterprise-grade infrastructure. It offers sandboxed development environments that run with complete OS-level isolation, pre-configured for consistency and tailored for professional engineering. These environments can be hosted in Ona’s cloud or within an organization’s own infrastructure, giving teams flexibility and control over source code, secrets, and networks. Ona Agents act like virtual engineering teammates, capable of scoping projects, parallelizing work, writing and reviewing code, and even producing documentation, keeping momentum high across distributed teams. Developers can move effortlessly between conversations with agents, a browser-based VS Code Web interface, or local IDEs, ensuring fluid collaboration on any device. To safeguard operations, Ona Guardrails provide advanced permission management, organizational policies, detailed audit logs, and complete network control. Global enterprises, including major banks and pharmaceutical leaders, rely on Ona for its robust compliance and enterprise integrations. The platform connects seamlessly with popular tools like GitHub, GitLab, MongoDB, AWS, Copilot, Claude Code, and Amazon Bedrock, making it adaptable to diverse workflows. Backed by SOC 2 certification, GDPR adherence, and accessibility compliance, Ona meets strict regulatory and inclusivity standards. With over 2 million developers already on board, Ona is trusted worldwide as a platform to accelerate software engineering with confidence, security, and efficiency.

Lens is an all-in-one IDE designed for developers working with Kubernetes and modern AI-driven applications. It transforms complex cluster data and LLM traffic into clear, actionable insights presented in real time. Lens K8S IDE simplifies cluster management, observability, and troubleshooting across multiple environments. Lens Loop introduces purpose-built tools for developing and observing LLM applications. Lens Prism AI acts as an embedded assistant to help diagnose issues, optimize performance, and accelerate workflows. The platform runs entirely on the developer’s machine, aligning with enterprise security and compliance requirements. No external backends or SaaS dependencies are required. Lens delivers immediate value without lengthy setup or configuration. Its modular design allows teams to grow from Kubernetes visibility to advanced AI observability. Trusted by startups and global enterprises alike, Lens supports teams at every scale. The platform evolves alongside cloud-native and AI workloads. Lens makes Kubernetes and LLM systems easier to understand, manage, and scale.

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.

TRAE is an intelligent AI engineering platform and integrated development environment (IDE) designed to accelerate the way developers build software. Acting as a self-sufficient “AI engineer,” TRAE deeply understands your codebase, executes complex programming tasks, and delivers full applications from concept to deployment. Its flagship SOLO mode functions as a responsive, autonomous coding partner that can plan, write, test, and deploy projects independently. Powered by Model Context Protocol (MCP), TRAE seamlessly integrates external APIs, tools, and search results to enrich context and produce precise, optimized code. Developers can build their own multi-agent systems, defining custom agents specialized in architecture design, debugging, or documentation—creating a scalable AI team within their workflow. The CUE predictive engine anticipates developer intent, suggesting edits and code completions that align with broader architectural logic, not just line-by-line syntax. TRAE’s sleek interface and innovative Builder mode have earned global praise for improving productivity, code quality, and developer satisfaction. Privacy and data security are central to its design, adhering to local-first principles with encrypted, region-specific data storage and minimal data retention. It’s fully adaptable across platforms, supporting both individual coders and large-scale development teams. Whether used as a VS Code replacement or a complete AI coding ecosystem, TRAE represents a leap forward in autonomous software creation.

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.

Qoder is an advanced coding platform tailored for authentic software development, elevating standard code completion by incorporating sophisticated context engineering along with intelligent AI agents that have an in-depth understanding of your project. It allows developers to delegate complex, asynchronous tasks using its Quest Mode, where agents work autonomously to deliver comprehensive results, while also enhancing functionality through Model Context Protocol (MCP) integrations that interface with various external tools and services. Moreover, Qoder’s Memory system records coding styles, project-specific insights, and reusable context to ensure outputs remain consistent and pertinent to the project throughout the development lifecycle. Developers also have the option to engage in chat for guidance or code suggestions, maintain a Repo Wiki for gathering knowledge, and manage AI behavior through Rules to keep AI-generated work secure and well-directed. This blend of context-aware automation, agent delegation, and customizable AI behavior not only empowers teams to think critically and code more efficiently but also nurtures an environment conducive to innovation and collaboration. By harnessing these capabilities, Qoder transforms the coding experience, making it more streamlined and closely aligned with the unique requirements of each individual project while promoting a culture of continuous improvement and learning.

Chad IDE represents a groundbreaking, AI-powered integrated development environment designed to boost coding productivity by minimizing delays linked to AI inference while effortlessly blending work with leisure activities. It features seamless integration with intelligent agents like Claude Code, enabling functionalities such as auto-completion, intelligent code generation, and the execution of background tasks, all while offering built-in entertainment options—like games, social media feeds, and casual browsing—during the short 1–5 minute intervals common in prompt-driven workflows, which helps developers maintain focus without the hassle of switching to different applications. This platform is equipped with in-IDE gaming, social media integration, and the capacity to handle tasks in the background, all geared towards reducing the exhaustion associated with context-switching and keeping developers engaged. By providing extensive customization choices, efficient operations for background agents, rapid tab completions, and refined debugging capabilities, it serves both novice and seasoned developers effectively. Furthermore, it aims to foster a more enjoyable coding experience by harmonizing work and play, creating an environment where creativity can flourish alongside productivity. This innovative approach not only enhances efficiency but also encourages a healthier work-life balance in the programming world.

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.