Best Application Development Software for Windows - Page 16

Compare the Top Application Development Software for Windows as of December 2025 - Page 16

  • 1
    NSwag

    NSwag

    Rico Suter

    NSwag is a comprehensive Swagger/OpenAPI 2.0 and 3.0 toolchain for .NET, .NET Core, ASP.NET Core, and TypeScript, written in C#. It enables developers to generate OpenAPI specifications from existing API controllers and create client code from these specifications. NSwag combines functionalities similar to Swashbuckle (for OpenAPI/Swagger generation) and AutoRest (for client generation) into a single toolchain, eliminating the need for both. Key features include the ability to generate Swagger 2.0 and OpenAPI 3.0 specifications from C# ASP.NET (Core) controllers, serve these specifications via ASP.NET (Core) middleware with integrated Swagger UI or ReDoc, and generate C# or TypeScript clients/proxies from the specifications. NSwag offers multiple usage methods, including a user-friendly Windows GUI (NSwagStudio), command-line interfaces compatible with Windows, Mac, and Linux, and integration into C# code via NuGet packages.
    Starting Price: Free
  • 2
    REST United

    REST United

    REST United

    REST United is a platform that simplifies the process of generating Software Development Kits (SDKs) for REST APIs across multiple programming languages, including PHP, Python, Ruby, ActionScript (Flash), C#, Android, Objective-C, Scala, and Java. In just five simple steps, users can create SDKs accompanied by highly customizable documentation featuring easy-to-follow example code, enhancing developer engagement. The platform also leverages the Postman Chrome plug-in to facilitate testing and debugging of REST APIs, streamlining the development workflow. For those designing their own REST APIs using frameworks like Node.js, Ruby Sinatra, Scala Scalatra, or Java JAX-RS, REST United offers assistance in generating server-side code. Support is readily available, with the promise of responses within 12 hours to any inquiries. Overall, REST United aims to make REST API development more accessible and efficient by providing tools that bridge the gap between API design and implementation.
    Starting Price: $1 per month
  • 3
    Defang

    Defang

    Defang

    Defang is a developer-centric platform that simplifies the process of developing, deploying, and debugging cloud applications. By leveraging AI-assisted tooling, Defang enables developers to swiftly transition from an idea to a deployed application on their preferred cloud provider. The platform supports multiple programming languages, including Go, JavaScript, and Python, allowing developers to start with sample projects or generate project outlines using natural language prompts. With a single command, Defang builds and deploys applications, handling configurations for computing, storage, load balancing, networking, logging, and security. The Defang Command Line Interface (CLI) facilitates interactions with the platform, offering installation options via shell scripts, Homebrew, Winget, Nix, or direct download. Developers can define services using compose.yaml files, which Defang utilizes to deploy applications to the cloud.
    Starting Price: $10 per month
  • 4
    Hoppscotch

    Hoppscotch

    Hoppscotch LTD.

    Hoppscotch makes it easy to create and test your APIs, helping you to ship products faster. Create APIs faster, test them instantly, document and share them automatically. From prototyping to production - develop without switching tabs. Hoppscotch got everything you need to make API development easy. Create workspaces for your teams. Control access to your workspaces. Work together with your team in real-time. Deploy Hoppscotch on your own servers. Organize your requests in collections or folders and share them with your team. Manage your environment variables and use them everywhere. View and manage your request history. Modify headers, authenticate requests, generate random data, and much more. Test your APIs and write assertions for the response. Use Hoppscotch in your native language. We support 30+ languages. Track all the activities in your workspace. Who did what and when. Use your existing SSO provider to login to Hoppscotch. Manage your users, workspaces, and more.
    Starting Price: $19 per user per month
  • 5
    Progressier

    Progressier

    Progressier

    Progressier is a no-code toolkit that transforms existing web applications into fully-featured Progressive Web Apps (PWAs), enhancing user engagement across devices and browsers. It enables universal installation, allowing web apps to be seamlessly installed on iOS, Android, Windows, macOS, and Chrome OS, with step-by-step guidance available in over 20 languages. The platform offers a comprehensive push notification system, facilitating the creation, scheduling, and management of notifications through an intuitive dashboard or API, compatible with various JavaScript frameworks and low-code platforms. Progressier provides a no-code caching strategy builder, allowing users to select predefined strategies and apply them to specific resources, with the platform automatically generating the necessary service worker logic. Additionally, it offers a PWA management suite, enabling centralized control of app components.
    Starting Price: $15 per month
  • 6
    PhantomJS

    PhantomJS

    PhantomJS

    PhantomJS is a headless web browser scriptable with JavaScript, running on Windows, macOS, Linux, and FreeBSD. Utilizing QtWebKit as its back-end, it offers fast and native support for various web standards, including DOM handling, CSS selectors, JSON, Canvas, and SVG. This makes it an optimal solution for tasks such as page automation, screen capture, headless website testing, and network monitoring. For example, a simple script can load a webpage and capture it as an image.
    Starting Price: Free
  • 7
    HtmlUnit

    HtmlUnit

    HtmlUnit

    HtmlUnit is a "GUI-Less browser for Java programs" that models HTML documents and provides an API to interact with web pages, such as invoking pages, filling out forms, and clicking links, similar to a standard web browser. It offers fairly good JavaScript support, which is constantly improving and is capable of handling complex AJAX libraries, simulating browsers like Chrome, Firefox, or Edge depending on the configuration used. Typically used for testing purposes or retrieving information from websites, HtmlUnit is not a generic unit testing framework but is intended to simulate a browser within another testing framework such as JUnit or TestNG. It is utilized as the underlying "browser" by various open source tools like WebDriver, Arquillian Drone, and Serenity BDD, and is employed by many projects for automated web testing, including Apache Shiro, Apache Struts, and Quarkus.
    Starting Price: Free
  • 8
    trifleJS

    trifleJS

    trifleJS

    TrifleJS is a headless browser designed for test automation, utilizing the .NET WebBrowser class and the V8 JavaScript engine to emulate Internet Explorer environments. Its API is modeled after PhantomJS, making it familiar to users of that framework. TrifleJS supports various versions of Internet Explorer, allowing emulation of IE7, IE8, and IE9, depending on the installed version. Developers can execute scripts via the command line, specifying the desired IE version for emulation. The platform offers an interactive mode (REPL) for debugging and testing JavaScript code.
    Starting Price: Free
  • 9
    SlimerJS

    SlimerJS

    SlimerJS

    SlimerJS is a free, open source scriptable browser for web developers, allowing interaction with web pages through external JavaScript scripts. It enables tasks such as opening web pages, clicking links, and modifying content, making it useful for functional tests, page automation, network monitoring, screen capture, and web scraping. Unlike PhantomJS, SlimerJS runs on top of Gecko, the browser engine of Mozilla Firefox, instead of WebKit, and can operate in both headless and non-headless modes. APIs of SlimerJS are similar to the APIs of PhantomJS but there are a few differences in their behavior. However, most of the scripts for PhantomJS run perfectly well with SlimerJS right now.
    Starting Price: Free
  • 10
    Nakama

    Nakama

    Heroic Labs

    Nakama is an open source game server framework developed by Heroic Labs, designed to facilitate the creation of real-time, multiplayer, and social games across various platforms, including Godot, Unity, Unreal Engine, and more. It provides a comprehensive suite of features such as real-time multiplayer capabilities, customizable matchmaking algorithms, leaderboards, in-game chat, and support for in-game currencies. Developers can extend Nakama's functionality using server-side logic written in Go, TypeScript, or Lua, allowing for authoritative game mechanics and enhanced control over game state. The platform also offers open-source client libraries tailored for different game engines and languages, ensuring seamless integration and flexibility in game development. Nakama is your dedicated server, not another multi-tenant SaaS. Add custom features and secure authoritative gameplay logic directly to your game server.
    Starting Price: Free
  • 11
    Phaser

    Phaser

    Phaser

    Phaser is a fast, free, and fun open source HTML5 game framework that offers WebGL and Canvas rendering across desktop and mobile web browsers. It has been actively developed for over 10 years. Phaser is built on and around web standards and puts the browser first. Web export isn't an afterthought or checkbox on a feature list; it's our home. Phaser is fully open source, and you have unrestricted access to every last line of code in the core library. Phaser has more ready-made templates than any other game framework and is a great CLI tool. Games made with Phaser have been used as the cornerstone for marketing campaigns for years. They've been deployed everywhere, including as prominent features on sites for major Hollywood film blockbusters, massive brand promotional campaigns, educational content, interactive experiences, TV shows, news reports, charity fund-raising broadcasts, live events marketing, and so many more.
    Starting Price: $9 per month
  • 12
    Defold

    Defold

    Defold

    Defold is a free and open source game engine designed for high-performance cross-platform game development. It comes fully featured out of the box, requiring no setup or configuration, allowing developers to simply download the editor and start creating. The engine includes a visual editor, code editor, Lua scripting, Lua debugger, scene editor, particle editor, and tilemap editor, and supports both 2D and 3D game development. With a single codebase and no need for external tools, Defold enables publishing to major platforms such as PlayStation5, PlayStation4, Nintendo Switch, Android, iOS, macOS, Linux, Windows, Steam, HTML5, and Facebook. It offers a component-based system for building games, allowing the use of basic building blocks to create complex behavior, and supports writing game logic using Lua. Developers can add new functionality from the asset portal, set up their own local build environment, and write native code to extend the engine.
    Starting Price: Free
  • 13
    MonoGame

    MonoGame

    MonoGame

    MonoGame is a free and open-source framework that allows developers to create cross-platform games using C# and other .NET languages. It supports multiple platforms, including Windows, macOS, Linux, Android, iOS, PlayStation 4, PlayStation 5, Xbox One, and Nintendo Switch. MonoGame provides a comprehensive set of features, such as 2D and 3D rendering, sound playback, input handling, and content management, enabling the development of high-quality games across various genres. The framework is a re-implementation of Microsoft's XNA 4 API, ensuring familiarity for developers with XNA experience. Notable games developed with MonoGame include "Streets of Rage 4," "Carrion," "Celeste," and "Stardew Valley." MonoGame is actively maintained by the MonoGame Foundation and its community, with ongoing updates and support.
    Starting Price: Free
  • 14
    Gideros

    Gideros

    Gideros

    Gideros is a free and open-source cross-platform game development framework that enables developers to create high-performance 2D games using the Lua programming language. It offers instant testing on real devices through Wi-Fi, eliminating the need for lengthy export or deployment processes. Built on C/C++ and OpenGL, Gideros ensures that games run at native speed, fully utilizing the power of CPUs and GPUs. The framework supports easy extension through plugins, allowing developers to import existing code in C, C++, Java, or Objective-C and bind it to Lua. Gideros provides its own class system with standard object-oriented programming practices, enabling clean and reusable code. The comprehensive development environment includes a lightweight IDE, players for desktops and devices, a texture packer, and a font creator. Gideros supports multiple platforms, including Windows, macOS, Linux, iOS, Android, and HTML5.
    Starting Price: Free
  • 15
    Solar2D

    Solar2D

    Solar2D

    Solar2D is a Lua-based game engine focused on ease of iterations and usage. As a fully open-source project forked from the well-established and widely used Corona SDK game engine, Solar2D allows developers to create applications for mobile, desktop, and connected TV devices with a single codebase, supporting platforms such as iOS, tvOS, Android, Android TV, macOS, Windows, Linux, and HTML5. The engine features an instant-update simulator, enabling developers to see code changes in real time, and supports live builds for rapid testing on real devices over a local network. A vast array of plugins is available to extend the core functionality, covering aspects like in-app advertising, analytics, and media. For additional customization, developers can call any native (C/C++/Obj-C/Java) library or API using Solar2D Native. Built on the lightweight and fast Lua scripting language, Solar2D is completely free to use, with no hidden fees, charges, or royalties.
    Starting Price: Free
  • 16
    raylib

    raylib

    raylib

    raylib is a simple and easy-to-use library to enjoy video game programming. It is a programming library to enjoy video game programming; no fancy interface, no visual helpers, no GUI tools or editors, just coding in a pure spartan-programmers way. raylib does not provide the typical API documentation or a big set of tutorials. The library is designed to be minimalistic and be learned just from a cheat sheet with all required functionality and a big collection of examples to see how to use that functionality. The best way to learn to code is by reading code. raylib supports multiple target platforms, it has been tested in the following ones but, technically, any platform that supports C language and OpenGL graphics (or similar) can run raylib or it can be very easily ported to. You can use raylib with multiple programming languages, there are over 60 bindings. raylib can be combined with several extra libraries for additional functionality.
    Starting Price: Free
  • 17
    AMPL

    AMPL

    AMPL

    AMPL is a powerful and intuitive modeling language designed to represent and solve complex optimization problems. It enables users to formulate mathematical models in a syntax that closely mirrors algebraic notation, facilitating a clear and concise representation of variables, objectives, and constraints. AMPL supports a wide range of problem types, including linear programming, nonlinear programming, mixed-integer programming, and more. One of its key strengths is the ability to separate models and data, allowing for flexibility and scalability in handling large-scale problems. The platform offers seamless integration with numerous solvers, both commercial and open-source, providing users with the flexibility to choose the most appropriate solver for their specific needs. AMPL is available across multiple operating systems, including Windows, macOS, and Linux, and offers various licensing options.
    Starting Price: $3,000 per year
  • 18
    Thunder Client

    Thunder Client

    Thunder Client

    ​Thunder Client is a lightweight REST API client extension for Visual Studio Code, designed to simplify API testing with an intuitive and user-friendly interface. It supports features such as collections, environment variables, and scriptless testing, allowing developers to organize requests, manage different environments, and validate API responses without the need for scripting. All data is stored locally on the user's device, ensuring privacy and security. Additionally, Thunder Client offers Git synchronization for team collaboration, enabling the saving and sharing of request data within a Git repository. Its CLI supports CI/CD integration, facilitating automated testing and report generation. Trusted by over 5 million users worldwide, Thunder Client seamlessly integrates into the VS Code environment, providing a streamlined workflow for API development and testing. ​
    Starting Price: $3 per month
  • 19
    BullMQ

    BullMQ

    Taskforce.sh

    ​BullMQ is a Node.js library that implements a fast and robust queue system built on top of Redis, designed to address various challenges in modern microservices architectures. It is structured around four primary classes. BullMQ offers features like minimal CPU usage due to a polling-free design, distributed job execution based on Redis, support for both LIFO and FIFO jobs, job priorities, delayed and scheduled jobs according to cron specifications, automatic retries of failed jobs, concurrency settings per worker, sandboxed processing functions, automatic recovery from process crashes, and parent-child job dependencies. These capabilities make BullMQ a powerful tool for building scalable and reliable job processing systems in Node.js applications.
    Starting Price: Free
  • 20
    Base UI
    From the creators of Radix, Material UI, and Floating UI, Base UI is an unstyled React component library for building accessible user interfaces. Our focus is on accessibility, performance, and developer experience. Our goal is to provide a complete set of open-source UI components, with a delightful developer experience, in a sustainable way. Features: - Headless: Base UI components are unstyled, don’t bundle CSS, and don’t prescribe a styling solution. - Accessible: Poor accessibility can make your application difficult to navigate for all users, not just for users with disabilities. - Composable: Component APIs are fully open, so you have direct access to each node, you can easily add or remove parts, and you can wrap them however you prefer.
    Starting Price: Free
  • 21
    OneDev

    OneDev

    OneDev

    OneDev is an open-source, self-hosted DevOps platform that unifies Git repository management, CI/CD pipelines, issue tracking, kanban boards, and package registries into a single application. It offers an intuitive GUI for creating CI/CD jobs with features like typed parameters, matrix jobs, logic reuse, and cache management. OneDev includes built-in registries for Docker, NPM, Maven, NuGet, PyPi, and more, facilitating comprehensive package management. It supports progressive and iterative issue tracking through iterations, enhancing agile workflows. With out-of-the-box code search and navigation, Renovate integration for dependency updates, and a RESTful API, OneDev streamlines development processes. It is designed for easy installation and maintenance, providing high performance and scalability. OneDev is developed and maintained by an inclusive community, ensuring continuous improvements and support.
    Starting Price: $6 per month
  • 22
    Kiro

    Kiro

    Amazon Web Services

    Kiro is an AI‑powered integrated development environment that brings structure to AI‑driven coding by converting natural‑language prompts into clear requirements, system designs, and discrete implementation tasks validated by robust tests. Built from the ground up for agentic workflows, it features spec‑driven development, multimodal chat, “agent hooks” that trigger background tasks on events like file saves, and an autopilot mode that autonomously runs large scripts while keeping you in control. With smart context management, Kiro reduces repetitive prompts and helps implement complex features across large codebases. Native MCP integrations let you connect to documentation, databases, and APIs, and you can guide development with images of UI designs or architecture diagrams. Enterprise‑grade security and privacy ensure safe deployment, while support for Claude Sonnet models, Open VSX plugins, and existing VS Code settings delivers a familiar yet AI‑supercharged experience.
    Starting Price: $19 per month
  • 23
    Tauri

    Tauri

    Tauri

    Tauri is a framework that enables developers to build small, fast, secure, cross-platform applications by combining existing web front-ends with Rust-powered back-ends. It supports any JavaScript framework, so you don’t need to change your stack and leverages each operating system’s native web renderer to deliver app footprints as low as 600 KB. Deep inter-process communication bridges your JavaScript UI, Rust core logic, and native Swift or Kotlin components for seamless integration with system APIs. Security is built in from the ground up, with Rust at its center and a team-driven focus on hardening and innovation. The CLI scaffolds new projects via Bash, PowerShell, npm, Yarn, pnpm, Deno, Bun, or Cargo, and includes tools for bundling, templating, and secure defaults, all accessible through a simple “create-tauri-app” command.
    Starting Price: Free
  • 24
    Gatling Studio
    Gatling Studio is a native desktop application designed to convert real browser-based user journeys into clean, executable load tests built on the core Gatling engine (Java/Maven project structure) in minutes. It enables users to record a live browser session (or import an existing HAR file), automatically filter out noise (such as static assets, ads, third-party trackers), refine the user-flow scenario (by domain or request type), and generate production-ready Gatling code that can be version-controlled and extended. The resulting project can be opened in an IDE, committed to source control, customized with injection profiles or parameterization, and executed locally with Gatling Community Edition or scaled via Gatling Enterprise Edition. Gatling Studio is aimed at performance engineers, QA teams, and developers seeking to accelerate test creation while maintaining full “test-as-code” practices.
    Starting Price: €89 per month
  • 25
    P4

    P4

    Perforce

    P4 (formerly Helix Core) is an enterprise-grade version control system designed to manage the complexities of modern software development. It allows teams to store, track, and manage all digital assets—ranging from source code to 3D models—with unprecedented scalability. P4 is ideal for large, distributed teams working on large-scale projects, offering powerful collaboration tools, seamless integrations, and advanced branching capabilities. With strong support for both centralized and distributed workflows, P4 enhances productivity and efficiency, making it a top choice for software, game, and hardware development teams.
  • 26
    UpGuard

    UpGuard

    UpGuard

    The new standard in third-party risk and attack surface management. UpGuard is the best platform for securing your organization’s sensitive data. Our security ratings engine monitors millions of companies and billions of data points every day. Continuously monitor your vendors, automate security questionnaires, and reduce third and fourth-party risk. Monitor your attack surface, prevent data breaches, discover leaked credentials, and protect customer data. Scale your third-party risk program with UpGuard analysts, and let us monitor your organization and vendors for data leaks. UpGuard builds the most powerful and flexible tools for cybersecurity. Whether you’re looking to prevent third-party data breaches, continuously monitor your vendors, or understand your attack surface, UpGuard’s meticulously designed platform, and unmatched functionality helps you protect your most sensitive data. Hundreds of the world’s most data-conscious companies are scaling faster and more securely.
    Starting Price: $5,249 per year
  • 27
    PivotData Microservice
    PivotData microservice is a simple way to add self-service analytics & BI reporting into your web application. Configure your data sources with JSON config and generate pivot tables and charts reports with web API. PivotData microservice is an analytics backend that translates reports defined in terms of the cube model (dimensions, metrics, parameters) into database queries. Reporting engine manages caching, queuing, calculations, DB connections and exports to various formats. Unique capabilility is a rendering of HTML pivot tables: they simply may be shown on any web page.
    Starting Price: $499 one-time payment
  • 28
    Enov8

    Enov8

    Enov8

    End-to-end “Business Intelligence” for your IT organization. Promoting transparency, control, and productivity across environments, release and data. Promote scaled agility across your IT fabric. A complete environment and release picture supporting collaboration across teams and providing the insight that organizations require today to drive competitive innovation. Improve visibility of your complex IT fabric allowing better collaboration and decision making. Manage complex computer systems & the end-to-end IT fabric through a centralized portal. Measure test environment usage to reduce IT spend and increase project productivity. Eliminate chaotic and non-repeatable operations by establishing control via centralized runbooks and using automation on regular & time consuming tasks. Manage change and contention effectively whilst providing real time health status and powerful analytics to determine business impact.
    Starting Price: $8 per month
  • 29
    iText

    iText

    Apryse

    Now part of the Apryse family, iText is one of the best-documented and most versatile PDF SDKs in the world. The open-source iText Core library features a powerful layout engine and intuitive high-level APIs for document creation and manipulation, digital signing and validation, and much more. It has built-in support for PDF 2.0, all variants of PDF/A and PDF/UA, FIPS-140-2 and the very latest ISO standards for digital signatures and encryption. You can extend iText's capabilities even further, with add-ons for comprehensive HTML/XML and CSS templating, global language and writing systems, secure document redaction, OCR, document optimization, and working with dynamic XFA. iText Core is free to use under the AGPLv3 license, while a commercial license releases you from the AGPL terms and gives you professional support and maintenance. Visit the iText website to try the entire iText Suite free for 30 days, while keeping your IP safe under iText's commercial license terms.
  • 30
    NGINX
    NGINX Open Source: The open source web server that powers more than 400 million websites. NGINX Plus is a software load balancer, web server, and content cache built on top of open source NGINX. Use NGINX Plus instead of your hardware load balancer and get the freedom to innovate without being constrained by infrastructure. Save more than 80% compared to hardware ADCs, without sacrificing performance or functionality. Deploy anywhere: public cloud, private cloud, bare metal, virtual machines, and containers. Save time by performing common tasks through the built‑in NGINX Plus API. From NetOps to DevOps, modern app teams need a self‑service, API‑driven platform that integrates easily into CI/CD workflows to accelerate app deployment – whether your app has a hybrid or microservices architecture – and makes app lifecycle management easier.