Windows App SDK Alternatives (September 2025)

.NET is a free, cross-platform, open-source developer platform. .NET has languages, editors, and libraries to build for web, mobile, desktop, games, and IoT.

DevExpress provides best-in-class UI controls, tools, and frameworks for WinForms, ASP.NET, MVC, Blazor, ASP.NET Core, WPF, VCL, Xamarin, and JavaScript developers.

Advanced Installer is a Windows installer authoring tool for installing, updating, and configuring your products safely, securely, and reliably.

Build, debug, deploy, and manage cloud applications—using any platform or language—with Azure development tools, including Visual Studio.

B4X is a programming language and a set of cross-platform RAD development tools that allow complete beginners, citizen developers, and professionals to build real-world Android, iOS and desktop solutions

The Microsoft Build of OpenJDK is a new no-cost long-term supported distribution and Microsoft’s new way to collaborate and contribute to the Java ecosystem.

All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment.

Measurement Studio is an extension of Microsoft Visual Studio that provides .NET tools for creating test and measurement applications.

Xcode includes everything you need to develop, test, and distribute apps across all Apple platforms.

iOS is the world’s most advanced mobile operating system. Learn about the latest APIs and capabilities that you can use to deliver incredible apps.

Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.

LabWindowsâ„¢/CVI is an ANSI C software development environment with a comprehensive set of programming tools for creating test and measurement applications.

A command-line installer for Windows

Delphi is the fastest way to write, compile, package and deploy cross-platform native applications on Windows, macOS, iOS, Android and Linux. See more.

Develop .NET, ASP.NET, .NET Core, Xamarin or Unity applications on Windows, Mac, Linux

CPUID brings you system & hardware benchmark, monitoring, reporting quality softwares for your Windows & Android devices

Download and install the Azure SDKs and Azure PowerShell and command-line tools for management and deployment.

GitHub is where people build software. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects.

Android Studio provides app builders with an integrated development environment (IDE) optimized for Android apps. Download Android Studio today.

Start building AI-powered applications using tools from Microsoft. Discover Power Apps and find all you need to build the AI-powered app solution for your organization.

Automate the lifecycle of your Objective-C, Swift, Java, Xamarin, and React Native apps. Build, test, distribute, and monitor your apps. Get started for free.

Open source Python framework for rapid development of applications that make use of innovative user interfaces, such as multi-touch apps.

SNMP .NET Component Download - SnmpSource offers users a comprehensive toolkit for quick development.

PhpED - PHP IDE integrated development environment for developing web sites using PHP, HTML, Perl, JScript and CSS that combines a comfortable editor, debugger, profiler with the MySQl, PostrgeSQL database support based on easy wizards and tutorials.Easy to use for debugging PHP scripts, publishing projects to remote servers through FTP, WebDAV, CVS. It is suitable for multiple developers and very large projects. Working with SOAP servers.

GraalVM is an advanced JDK with ahead-of-time Native Image compilation.

Stingray provides GUI development tools for Windows. Learn more about Stingray software, including Stingray studio. And get started with GUI development software today.

Visual Studio Code is a code editor redefined and optimized for building and debugging modern web and cloud applications.  Visual Studio Code is free and available on your favorite platform - Linux, macOS, and Windows.

Build real-world Web3 applications using Azure, Web3 developer tools, and security services.

libGDX is a cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, macOS, Android, your browser and iOS.

InstallAnywhere delivers professional multi platform installations. Reliable installations for Windows, Linux, Apple, Solaris, AIX, HP-UX, and IBM.

Essential Studio contains 1,800+ UI components for WinForms, WPF, MVC, Core, UWP, WinUI, Xamarin, Flutter, JavaScript, Angular, Blazor, Vue, and React.

The Eclipse Web Tools Platform (WTP) project extends the Eclipse platform with tools for developing Web and Java EE applications.

WINDEV Mobile allows you to quickly create powerful applications for Pocket PC and Smartphones: embedded or remote databases, bar codes, and more.

GitHub is where over 100 million developers shape the future of software, together. Contribute to the open source community, manage your Git repositories, review code like a pro, track bugs and features, power your CI/CD and DevOps workflows, and secure code before you commit it.

Unisys ClearPath Visual IDE extends the capabilities of Microsoft Visual Studio to enable you to use it to develop ClearPath applications. Learn more.

GitHub is where over 100 million developers shape the future of software, together. Contribute to the open source community, manage your Git repositories, review code like a pro, track bugs and features, power your CI/CD and DevOps workflows, and secure code before you commit it.

Free X server for Windows with tabbed SSH terminal, telnet, RDP, VNC, Xdmcp, Mosh and X11-forwarding. Portable or installer version.

A cross-platform IDE for C, C++, Python, QML/JavaScript and PHP

The IDE with all the features you need, having a consistent look, feel and operation across platforms.

Download the Java including the latest version 17 LTS on the Java SE Platform. These downloads can be used for any purpose, at no cost, under the Java SE binary code license.

A powerful IDE from JetBrains helps you develop in C and C++ on Linux, macOS and Windows.

A stand-alone browser and devtool that helps you build better sites in less time. All the tools you need in one app.

Cygwin Terminal emulator

The legacy monkeyrunner tool provides an API for writing programs that control an Android device or emulator from outside of Android code.

SCons: A software construction tool

OpenCV provides a real-time optimized Computer Vision library, tools, and hardware. It also supports model execution for Machine Learning (ML) and Artificial Intelligence (AI).

Handy Library Manager for Windows: library management software. Manage your library in seconds. Library management software for PC computers with Windows 11, Windows 10, Windows 8, 7, XP.

Open-source electronic prototyping platform enabling users to create interactive electronic objects.

Windows IoT product offerings and developer overview

Realtime JavaScript Backend. . Contribute to CloudBoost/cloudboost development by creating an account on GitHub.

Power your real-time app with PubNub—the world's largest pub/sub network. Scale to 3 trillion API calls/month, with <30ms global delivery. Start building now!

SapMachine : The OpenJDK release maintained and supported by SAP

Godot provides a huge set of common tools, so you can just focus on making your game without reinventing the wheel.

Save time building sleek web, mobile and desktop apps with professional .NET UI Components, JavaScript UI Libraries, Reporting and Automated Testing solutions.

Oracle JDeveloper is a free integrated development environment that simplifies the development of Java EE-based composite applications and provides a complete end-to-end development for Oracle

JetBrains is a cutting-edge software vendor specializing in the creation of intelligent development tools, including IntelliJ IDEA – the leading Java IDE, and the Kotlin programming language.

Create public and private repositories hosting your NuGet, npm, Bower, Maven, PHP Composer, VSIX, Python, and Ruby Gems packages

The Trusted Developer Experience platform for APIs. Achieve faster API onboarding via automatic SDKs, docs, code samples, and guided walkthroughs.

Ninja-IDE is an open-source Python IDE. You will find guides on Windows, Cyber Security and Linux along with downloads for software and Apk.

Pdftools offers a suite of SDKs and developer components for PDF and PDF/A document workflows.

Get started with Microsoft SQL Server downloads. Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs.

Consistent & reliable software for greater control over PDFs. Free trial - get started today. Get started now! Highlights: Newsletter Available, Knowledge Portal Available, Specialists Available.

Interactive maps solutions: no-code mapping tools and advanced map SDKs to easily publish on any website or mobile apps map products people love to use.

TortoiseHg Official Website.

With PSPDFKit's PDF SDK, you accelerate time to market. Fast & easy setup with 100s of out-of-the-box features, a customizable UI, & cross-platform compatibility.

We provide a ‘full stack’ C++Builder for native app development, from database to native and flexible UI to REST and more. Learn more about C++Builder.

Created by Foursquare, the Movement SDK is an always-active, passive location detector engine. It offers contextual awareness to connected devices and apps.

Developer APIs / SDKs for enterprise-ready features like Single Sign-On (SSO/SAML), Passwordless Authentication, Directory Sync (SCIM), Audit Trail (SIEM), and more. Get started for free.

Full-featured Python IDE with editor, debugger, unit testing, error checking, refactoring, and much more. Designed for Python, for a more productive development experience.

ComPDFKit PDF SDK is designed for developers to integrate viewing, editing, annotating, converting, encrypting, and signing, and filling PDFs into any platform.

Built from scratch, based on 20 years of experience developing IDEs. Fleet uses the IntelliJ code-processing engine, with a distributed IDE architecture and a reimagined UI.

Nuclide is built as a single package on top of Atom to provide hackability and the support of an active community. It provides a first-class development environment for React Native, Hack and Flow projects.

Lokalise is a continuous localization and translation management platform. It integrates into your development workflow so you can ship localized products, faster.

Xojo is a cross-platform development tool and object-oriented programming language for creating powerful, native applications for macOS, Windows, Linux, the web, iOS, Android and Raspberry Pi.

Apache NetBeans

With GitHub Packages you can safely publish and consume packages within your organization or with the entire world.

Nextbillion.ai provides industry’s most powerful APIs and SDKs to solve routing and optimization problems. Seamlessly integrate our products with your existing infrastructure.

Secure your network and devices, manage device and application updates, and receive long-term OS support with Windows 10 IoT Core Services.

Azure API Apps give you the tools to develop, host, secure, and share REST APIs in your organization or with the world.

The leading Java and C# PDF Library SDK. A programmable Java and .NET PDF SDK library to create, manipulate and edit PDF documents. Convert Html files to pdf, Debug pdf files, extract data from PDF and more.

Whether you're a beginner developer, startup, web3 market leader, or a large enterprise, Alchemy makes multichain web3 development easy.

WampServer est une plate-forme de développement Web sous Windows permettant de développer des applications Web dynamiques avec Apache2, PHP et de MySQL.

DevExtreme documentation and online developer guides are available for Angular, React, Vue, and jQuery. Select your target JavaScript framework and get started with DevExtreme today.

Bunnyshell is an Environment as a Service platform that enables developers to instantly spin up dev environments for any task on Kubernetes and develop remotely.

Infura's development suite provides instant, scalable API access to the Ethereum and IPFS networks. Connect your app to Ethereum and IPFS now, for free!

Data extraction enabled by flexible ABBYY FlexiCapture SDK integration, allows you to maintain full control over document processing, data capture & document routing.

Build web3 apps easily with thirdweb's powerful SDKs, audited smart contracts, and developer tools—for Ethereum & 700+ EVM chains. Try now.

Rely on mobile backend as a service (mbaas) from Azure to reduce time to market with cloud services, tools, and DevOps.

Quickly build eye-catching web apps using Kendo UI's ultimate collection of JavaScript UI components with libraries for jQuery, Angular, React, and Vue.

Wikitude Augmented Reality empowers your iOS, Android & Smart Glasses apps with Image & Object Tracking, Instant tracking (SLAM), Geo AR, and more.

Alpaca's easy to use APIs allow developers and businesses to trade algorithms, build apps and embed investing into their services.

Amazon Corretto is a no-cost, multiplatform, production-ready distribution of the Open Java Development Kit (OpenJDK). Corretto comes with no-cost long-term support. Amazon runs Corretto internally on thousands of production services and Corretto is certified as compatible with the Java SE standard.

Discover links to learn more about and get started with the technology to create world-scale, immersive augmented reality experiences.

Get started for free and integrate WebRTC video calls into your website or app using the Whereby API and SDK.

Secure and scale your product with Stytch's identity platform. From authentication to fraud protection, we have the APIs and SDKs for your use case.

Learn about Azure Notification Hubs. Send push notifications to iOS, Android, Windows, or Kindle from any backend. Easier mobile app development.

React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations.

Build and grow in-app subscriptions

TightVNC - VNC-Compatible Remote Desktop Software