Best Application Development Software for TypeScript

JetBrains Junie is an innovative AI coding assistant that works inside many JetBrains IDEs to streamline programming efforts and boost efficiency. This agent leverages advanced AI to help developers write, test, and inspect code without leaving their familiar development environment. Junie offers both code execution and interactive collaboration, allowing programmers to switch between automated code writing and brainstorming sessions for features and improvements. By deeply understanding the codebase, Junie identifies the best ways to tackle tasks and ensures all changes meet quality standards through syntax and semantic checks. It also runs tests to minimize errors and keep the project healthy, freeing developers from routine tasks. Many developers have successfully built complex applications and games using Junie, highlighting its flexibility across different languages and frameworks. The AI adapts to each task’s complexity and workflow, making coding less tedious and more focused on creativity. Whether you are building a simple web app or a complex game, Junie offers smart support throughout the development cycle.

Aikido is the all-in-one security platform for development teams to secure their complete stack, from code to cloud. Aikido centralizes all code and cloud security scanners in one place. Aikido offers a range of powerful scanners including static code analysis (SAST), dynamic application security testing (DAST), container image scanning, and infrastructure-as-code (IaC) scanning. Aikido integrates AI-powered auto-fixing features, reducing manual work by automatically generating pull requests to resolve vulnerabilities and security issues. It also provides customizable alerts, real-time vulnerability monitoring, and runtime protection, enabling teams to secure their applications and infrastructure seamlessly.

ZeroPath (YC S24) is an AI-native application security platform that delivers comprehensive code protection beyond traditional SAST. Founded by security engineers from Tesla and Google, ZeroPath combines large language models with deep program analysis to deliver intelligent security testing that finds real vulnerabilities while dramatically reducing false positives. Unlike traditional SAST tools that rely on pattern matching, ZeroPath understands code context, business logic, and developer intent. This enables identification of sophisticated security issues including business logic flaws, broken authentication, authorization bypasses, and complex dependency vulnerabilities. Our comprehensive security suite covers the application security lifecycle: 1. AI-powered SAST 2. Software Composition Analysis with reachability analysis 3. Secrets detection and validation 4. Infrastructure as Code scanning 5. Automated PR reviews 6. Automated patch generation and more... ZeroPath integrates seamlessly with GitHub, GitLab, Bitbucket, Azure DevOps and many more. The platform handles codebases with millions of lines across Python, JavaScript, TypeScript, Java, Go, Ruby, Rust, PHP, Kotlin and more. Our research team has been successful in finding vulnerabilities like critical account takeover in better-auth (CVE-2025-61928, 300k+ weekly downloads), identifying 170+ verified bugs in curl, and discovering 0-days in production systems at Netflix, Hulu, and Salesforce. Trusted by 750+ companies and performing 200k+ code scans monthly.

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.

Enhance your productivity by ensuring only high-quality code is released, as SonarQube Cloud (previously known as SonarCloud) seamlessly evaluates branches and enriches pull requests with insights. Identify subtle bugs to avoid unpredictable behavior that could affect users and address security vulnerabilities that threaten your application while gaining knowledge of application security through the Security Hotspots feature. Within moments, you can begin using the platform right where your code resides, benefiting from immediate access to the most current features and updates. Project dashboards provide vital information on code quality and readiness for release, keeping both teams and stakeholders in the loop. Showcase project badges to demonstrate your commitment to excellence within your communities. Code quality and security are essential across your entire technology stack, encompassing both front-end and back-end development. That’s why we support a wide range of 24 programming languages, including Python, Java, C++, and many more. The demand for transparency in coding practices is on the rise, and we invite you to be a part of this movement; it's completely free for open-source projects, making it an accessible opportunity for all developers! Plus, by participating, you contribute to a larger community dedicated to improving software quality.

Security Solutions for Your DevOps Process Automate scanning your code to find and fix vulnerabilities. Kiuwan Code Security is compliant with the strictest security standards, such OWASP or CWE. It integrates with top DevOps tools and covers all important languages. Static application security testing and source analysis are both effective, and affordable solutions for all sizes of teams. Kiuwan provides a wide range of essential functionality that can be integrated into your internal development infrastructure. Quick vulnerability detection: Simple and quick setup. You can scan your area and receive results in minutes. DevOps Approach to Code Security: Integrate Kiuwan into your Ci/CD/DevOps Pipeline to automate your security process. Flexible Licensing Options. There are many options. One-time scans and continuous scanning. Kiuwan also offers On-Premise or Saas models.

Visual Studio Code is a highly extensible AI-powered code editor built for developers who demand flexibility and performance. It combines intelligent coding assistance, modern debugging tools, and collaboration features in one lightweight package. With Agent Mode, VS Code reads your codebase, runs terminal commands, and edits across files automatically until tasks are complete. Its Next Edit Suggestions feature predicts and completes your next move as you type, enhancing speed and code accuracy. The Model Context Protocol (MCP) enables developers to connect their favorite AI models—from OpenAI, Anthropic, Azure, or Google—and extend functionality through custom servers. Developers can work in any language, from JavaScript and Python to C#, Java, and Go, while leveraging over 75,000 extensions for added productivity. Seamless integration with GitHub Codespaces, cloud storage, and CI/CD tools allows teams to code, collaborate, and deploy anywhere. Open-source at its core, VS Code empowers both individuals and enterprises to innovate without limits.

RadSystems serves as a powerful integrated development environment and Low-code platform that streamlines the application development process by minimizing repetitive coding efforts. It allows developers to create applications using a variety of frameworks, including ASP.NET Core, Python Flask, PHP Laravel, Node Express.js, Vue.js, and the Quasar Framework. Additionally, traditional web applications can be developed utilizing tools like Bootstrap, jQuery, and Laravel. This versatile platform, RadSystems Studio, is designed to enhance productivity by drastically reducing the time spent on redundant coding. Thanks to its advanced engine algorithm, users can generate applications in multiple programming languages from a unified code base. Moreover, you can effortlessly publish your projects as Classic Applications, Single Page Applications, Progressive Web Applications, or Mobile Applications with just a single click, enabling a seamless deployment experience. This efficiency makes RadSystems an invaluable tool for developers looking to accelerate their workflow and innovate rapidly.

IntelliJ IDEA is a powerful and versatile IDE tailored for professional Java and Kotlin developers who want to maximize their productivity and code quality. It provides comprehensive support across the entire development process, including design, coding, debugging, testing, and deployment. With smart code analysis, safe refactoring, and error detection, IntelliJ IDEA minimizes bugs and technical debt so developers can focus on innovation. The latest version adds full support for Java 24 features and enables Kotlin’s K2 mode by default, improving performance and memory efficiency. New interactive Kotlin notebooks allow real-time prototyping and data visualization within the IDE. IntelliJ IDEA also includes advanced debugging tools like the Spring Debugger for managing dynamic database connections. JetBrains prioritizes developer comfort with an intuitive interface and customizable settings. The IDE adheres to strict privacy and security standards, ensuring developers’ data remains protected.

All your Python development needs are consolidated in one application. While PyCharm handles routine tasks, you can save precious time and concentrate on more significant projects, fully utilizing its keyboard-centric design to explore countless productivity features. This IDE is well-versed in your code and can be trusted for features like intelligent code completion, immediate error detection, and quick-fix suggestions, alongside straightforward project navigation and additional capabilities. With PyCharm, you can write organized and maintainable code, as it assists in maintaining quality through PEP8 compliance checks, testing support, smart refactoring options, and a comprehensive range of inspections. Created by programmers specifically for other programmers, PyCharm equips you with every tool necessary for effective Python development, allowing you to focus on what matters most. Additionally, PyCharm's robust navigation and automated refactoring features further enhance your coding experience, ensuring that you remain efficient and productive throughout your projects.

Eclipse IDE stands as the premier open platform tailored for professional developers engaged in computer programming, and it has never been better. This IDE provides essential tools to drive rapid innovation with a simplified configuration process, including the Eclipse IDE Installer 2020-09, which now incorporates a Java Runtime Environment (JRE) in several of its packages. The enhancements also extend to theming and styling, featuring an improved dark theme for Windows and a refined light theme for GTK. Additionally, Eclipse IDE has transitioned to require Java 11 as its minimum operating version while maintaining the ability to compile older versions as desired. Among its new experimental features is support for aarch64, along with robust Linux support that has been integrated into this version. Furthermore, Node.js is now embedded within all LSP-based tools, facilitating seamless functionality from the start. Eclipse IDE remains free and open source, distributed under the Eclipse Public License 2.0, underscoring its commitment to community-driven development. The platform thrives on an extensive ecosystem of plugins, bolstered by an active and engaged community of contributors. This collaborative environment ensures that Eclipse IDE continues to evolve and meet the diverse needs of developers worldwide.

GitHub Copilot represents the next evolution of intelligent software development, combining AI-driven coding, collaboration, and automation in a single ecosystem. It seamlessly integrates with GitHub and leading IDEs, transforming natural language prompts into working code, tests, and documentation. The new Agent Mode allows developers to delegate tasks—Copilot autonomously writes, executes, and validates code using GitHub Actions, delivering ready-to-review pull requests. Developers can interact through Copilot Chat, switch between models like GPT-5, Claude Sonnet 4, and Gemini 2.0 Flash, and refine results with contextual feedback. Next Edit Suggestions and automated code review ensure project-wide consistency, helping teams catch bugs before they reach production. With Copilot Spaces, teams can organize shared context—code, notes, and knowledge—to produce tailored, high-quality results. Available in Free, Pro, and Pro+ plans, Copilot scales from individuals to enterprises with flexible model access and premium capabilities. Ultimately, GitHub Copilot transforms development from manual iteration to AI-augmented collaboration, enabling engineers to focus on innovation instead of boilerplate.

Introducing the Lightning-Smart PHP IDE, PhpStorm, which has a profound comprehension of your code. Tailored for frameworks like Symfony, Laravel, Drupal, WordPress, Zend Framework, Magento, Joomla!, CakePHP, Yii, and more, PhpStorm truly grasps the intricacies of your code structure. It accommodates all PHP language features, making it an ideal choice for both modern and legacy projects. With PhpStorm, you benefit from unparalleled code completion, advanced refactorings, and proactive error prevention. Additionally, it seamlessly integrates cutting-edge front-end technologies such as HTML 5, CSS, Sass, Less, Stylus, CoffeeScript, TypeScript, Emmet, and JavaScript, offering robust refactoring, debugging, and unit testing functionalities. The Live Edit feature allows you to see changes in real-time within the browser, enhancing your development experience. Moreover, you can efficiently execute various routine tasks directly from the IDE, thanks to its integration with Version Control Systems, support for remote deployments, databases/SQL, command-line tools, Docker, Composer, REST Client, and an array of other essential tools, thus streamlining your workflow. Ultimately, PhpStorm empowers developers to work more efficiently and effectively across multiple platforms and technologies.

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.

Obsidian serves as a robust knowledge management tool that operates using a directory of plain text Markdown files stored locally. Much like the way our minds shift from one concept to another, your second brain should mimic this non-linear pattern. In Obsidian, the process of creating and navigating "connections" between notes is seamless and intuitive. Cultivate your notes with care, and at the end of your day, take a moment to appreciate the intricate web of knowledge you've created. Personalization in note-taking is key, and if you've experimented with various applications but always felt something was amiss, Obsidian offers a refreshing alternative. Designed to be highly customizable, it features 22 essential plugins and 149 additional community-created plugins, allowing you to tailor your toolkit and get started in just a few minutes. Furthermore, when Obsidian reaches version 1.0, you'll have the option to integrate third-party plugins or even create your own, opening up endless possibilities. In today's landscape, where cloud services are vulnerable to sudden changes or shutdowns, relying on proprietary formats and facing potential data lock-in is the last thing you need. With Obsidian, your information remains securely within a local folder, giving you peace of mind and complete control over your data. This ensures that your knowledge remains accessible and safe, no matter what the future holds.

Utilize our complimentary, collaborative IDE that operates in your browser to write code in over 50 programming languages—no setup time required. Begin coding in your preferred language across any device, operating system, or platform. You can easily invite friends, team members, and colleagues to collaborate in real-time, similar to Google Docs editing. Seamlessly import, execute, and work together on countless GitHub repositories without any manual configurations. Whether you’re interested in Python, C++, HTML, or CSS, our platform allows you to learn and code in whatever language you choose, all in one place. The moment you create a new repl, it becomes live and shareable instantly with others around the globe. Join a community of over 3 million enthusiastic programmers, technologists, creatives, and learners eager to enhance their coding skills. Boost your team's efficiency with dynamic documentation, real-time collaboration features, and effortless remote interviewing options. Additionally, you can build applications programmatically, develop bots, and tailor the IDE with plugins to meet your specific requirements, ensuring a personalized coding experience. This all-in-one platform is designed to make coding more accessible and engaging for everyone.

AWS Cloud9 serves as a cloud-oriented integrated development environment (IDE) that allows you to create, execute, and troubleshoot your coding projects directly from your web browser. It features a built-in code editor, a debugger, and a terminal for ease of use. This IDE is equipped with necessary tools for various popular programming languages such as JavaScript, Python, and PHP, eliminating the need for manual installation or configuration on your local development setup to launch new projects. Being cloud-based means that you can access your Cloud9 environment from anywhere—be it your workplace, home, or any location with internet access. Additionally, Cloud9 streamlines the development of serverless applications, allowing for the effortless definition of resources, debugging, and toggling between local and remote application execution. Moreover, it facilitates collaboration by enabling you to share your development workspace with colleagues, which enhances pair programming and allows for real-time tracking of each other's contributions. Overall, Cloud9 significantly improves productivity and collaboration among development teams.

SonarQube Server serves as a self-hosted solution for ongoing code quality assessment, enabling development teams to detect and address bugs, vulnerabilities, and code issues in real time. It delivers automated static analysis across multiple programming languages, ensuring that the highest standards of quality and security are upheld throughout the software development process. Additionally, SonarQube Server integrates effortlessly with current CI/CD workflows, providing options for both on-premise and cloud deployments. Equipped with sophisticated reporting capabilities, it assists teams in managing technical debt, monitoring progress, and maintaining coding standards. This platform is particularly well-suited for organizations desiring comprehensive oversight of their code quality and security while maintaining high performance levels. Furthermore, SonarQube fosters a culture of continuous improvement within development teams, encouraging proactive measures to enhance code integrity over time.

Visual Studio by Microsoft is a complete ecosystem for professional developers, combining robust coding environments, integrated AI capabilities, and advanced collaboration tools. The flagship Visual Studio 2022 IDE delivers an all-in-one workspace with compilers, debuggers, designers, and performance profilers for .NET, C++, C#, and Azure development. Meanwhile, Visual Studio Code (VS Code) offers a lightweight yet powerful editor that runs on Windows, macOS, and Linux, ideal for web, JavaScript, Python, and container-based workflows. With GitHub Copilot integration, developers receive intelligent code completions, automated refactoring, and natural language explanations of complex logic. Agent Mode introduces an AI-driven assistant that can edit across files, execute builds, and resolve compile or test errors autonomously. Built-in tools like unit test generators, CI-aware policy enforcement, and style validation help ensure clean, testable, and secure code. Thousands of extensions from the Visual Studio Marketplace expand functionality for database, cloud, and DevOps workflows. Together, these platforms redefine productivity, helping teams code smarter and deliver innovation faster.

Cohere is a robust enterprise AI platform that empowers developers and organizations to create advanced applications leveraging language technologies. With a focus on large language models (LLMs), Cohere offers innovative solutions for tasks such as text generation, summarization, and semantic search capabilities. The platform features the Command family designed for superior performance in language tasks, alongside Aya Expanse, which supports multilingual functionalities across 23 different languages. Emphasizing security and adaptability, Cohere facilitates deployment options that span major cloud providers, private cloud infrastructures, or on-premises configurations to cater to a wide array of enterprise requirements. The company partners with influential industry players like Oracle and Salesforce, striving to weave generative AI into business applications, thus enhancing automation processes and customer interactions. Furthermore, Cohere For AI, its dedicated research lab, is committed to pushing the boundaries of machine learning via open-source initiatives and fostering a collaborative global research ecosystem. This commitment to innovation not only strengthens their technology but also contributes to the broader AI landscape.

MUI provides an extensive array of user interface tools designed to accelerate the development of new features. You can begin with Material UI, our robust library of components, or integrate your own design system with our production-ready elements. This allows you to work more quickly while maintaining flexibility and control over your designs. Each component is prepared for immediate use, enabling you to create stunning user interfaces effortlessly. You can start with Google's Material Design or develop a unique, sophisticated theme that reflects your vision. Our components combine flexibility and power, allowing you to customize their appearance and functionality fully. We prioritize inclusivity in our designs; hence, accessibility remains a key focus in every feature we release. Discover why MUI's tools are relied upon by countless developers and teams globally. With an ever-expanding collection of components available for free, you'll find that they are designed with accessibility in mind. We have laid down the essential UI elements for your design system, alleviating you from that task, and enabling you to focus on building innovative solutions for your users. In a world where user experience is paramount, MUI is committed to delivering excellence in every aspect of UI development.

K.Explorer is an AI system that creates better software faster, cheaper, and more efficiently. A coding assistant that increases developer productivity. An AI pair programmer that suggests code completions and complete function bodies as you type. You can also search the engine for help. It is an AI-powered Code Assistant that has been trained on millions of lines of code from private corporations, as well as billions of lines of open-source code for general purposes. Natural Language allows programmers to receive guidance and tell a text story about what code they are writing.

BLACKBOX AI is a powerful AI-driven platform that revolutionizes software development by providing a fully integrated AI Coding Agent with unique features such as voice interaction, direct GPU access, and remote parallel task processing. It simplifies complex coding tasks by converting Figma designs into production-ready code and transforming images into web apps with minimal manual effort. The platform supports seamless screen sharing within popular IDEs like VSCode, enhancing developer collaboration. Users can manage GitHub repositories remotely, running coding tasks entirely in the cloud for scalability and efficiency. BLACKBOX AI also enables app development with embedded PDF context, allowing the AI agent to understand and build around complex document data. Its image generation and editing tools offer creative flexibility alongside development features. The platform supports mobile device access, ensuring developers can work from anywhere. BLACKBOX AI aims to speed up the entire development lifecycle with automation and AI-enhanced workflows.

Enhance the speed and efficiency of software development and delivery by leveraging generative AI support, all while ensuring robust enterprise security and privacy safeguards. Gemini Code Assist streamlines your coding process by completing your code as you type and can generate entire code blocks or functions upon request. This powerful code assistance tool is compatible with a variety of popular integrated development environments (IDEs) like Visual Studio Code and JetBrains IDEs (including IntelliJ, PyCharm, GoLand, and WebStorm), as well as Cloud Workstations and Cloud Shell Editor, supporting over 20 programming languages such as Java, JavaScript, Python, C, C++, Go, PHP, and SQL. Utilizing a natural language chat interface, you can easily interact with Gemini Code Assist to obtain solutions to your coding queries or gain insights into coding best practices, with chat functionality accessible across all supported IDEs. Organizations have the flexibility to tailor Gemini Code Assist by integrating their private codebases and knowledge repositories, enabling the tool to provide more personalized assistance that aligns with specific enterprise needs. Furthermore, Gemini Code Assist has the capability to facilitate extensive modifications across entire codebases, thereby optimizing the development workflow significantly. This adaptability not only boosts productivity but also empowers teams to innovate more rapidly in a secure environment.

Expo is a versatile open-source platform that allows developers to craft universal native applications using React. It encompasses an extensive suite of tools and services aimed at simplifying the processes of development, review, and deployment. With Expo, developers can either start fresh with new projects or incorporate existing React Native applications, taking advantage of features such as file-based routing and TypeScript support to create stack and modal screens with minimal setup. Its fast refresh functionality enables real-time updates on devices through the Expo Go app, enhancing the development experience. Additionally, developers have the option to utilize any library, SDK, or write custom native code, providing unrestricted access to device APIs. Furthermore, Expo promotes collaboration among team members by allowing role-based access, generating QR codes for feature previews, and integrating seamlessly with GitHub to facilitate efficient pull request reviews. This combination of features not only accelerates the development workflow but also enhances communication and productivity within teams.