Best Free Web App Development Platforms

Alpha Anywhere is the only development platform with both low-code and no-code capabilities. Developers can rapidly create secure, cross-platform mobile and web business apps. Alpha leads in offline development, ensuring that data can be captured AND accessed (database lookups/media file retrieval) offline. A powerful bi-directional API can integrate with existing systems of record and workflows, tie into web services, and meet advanced security requirements. Offers: - pre-built templates - full-stack development - sophisticated analytics/dashboards - full-stack development - scale-able, secure, and reliable cloud deployment Professional developers and citizen developers can use the Alpha TransForm mobile forms builder to digitize paper forms in minutes. Offers offline operation, built-in analytics, and unmatched speed, power, and flexibility in the no-code segment.

Flutter is Google’s UI toolkit for building beautiful, natively compiled applications for mobile, web, and desktop from a single codebase. Paint your app to life in milliseconds with Stateful Hot Reload. Use a rich set of fully-customizable widgets to build native interfaces in minutes. Quickly ship features with a focus on native end-user experiences. Layered architecture allows for full customization, which results in incredibly fast rendering and expressive and flexible designs. Flutter’s widgets incorporate all critical platform differences such as scrolling, navigation, icons and fonts, and your Flutter code is compiled to native ARM machine code using Dart's native compilers. Flutter's hot reload helps you quickly and easily experiment, build UIs, add features, and fix bugs faster. Experience sub-second reload times without losing state on emulators, simulators, and hardware.

APEX is Oracle’s world’s most popular low-code application platform that enables you to build scalable, secure cloud, mobile or desktop apps, with world-class features, that can be deployed anywhere – whether in the cloud or on-premises. Using APEX, developers can quickly develop and deploy compelling apps that solve real problems and provide immediate value. You don’t need to be an expert in a vast array of technologies to deliver sophisticated solutions. Focus on solving the problem and let APEX take care of the rest.

Kissflow is an easy-to-use, low-code platform for custom application development tailored to business operations. Kissflow empowers process owners and IT developers to automate and build processes and applications for internal business operations. We help solve two main challenges in the enterprise: The first is the custom application backlog. Enterprise IT teams say “not now” to most custom application requests from business teams. While important to a department, they aren’t vital enough to engage limited IT bandwidth. Kissflow gives internal developers a hyper-fast platform to build various applications quickly. The second is starting a citizen development program. Process owners are scattered throughout the organization and need a standard, approved, and governed way to build automated applications that are a step up from spreadsheets. With its simple no-code design, patented rules engine, and comprehensive governance module,

Neptune Software's leading low-code app development platform - Neptune DXP – digitizes and optimizes business processes and user interfaces – at scale and with ease. Neptune DXP offers enterprise mobility, as well as the best low-code app development for SAP customers with the choice of no-code/low-code app development. The platform gives IT departments the right tools to build the apps they need. Neptune DXP provides a fast, cost-effective, and future-proof way to industrialize the development of custom applications (especially SAP Fiori, SAP mobile applications), turning your IT organization into an app factory, saving time and money on enterprise app development, app integration, and enterprise app operations.

sterlo is an Enterprise-grade low-code no-code platform that enables users to develop Web and Mobile apps in a code-free environment. Enabling custom application development for business process owners sterlo offers a wide range of features, including secure authentication, custom data connections, document management system, sterlo facilitates digital transformation that matters and changes the way apps are developed worldwide.

Web-based solution that helps businesses develop applications through component library, live tests, event blocks, and more. Design beautiful and powerful native apps on Thunkable without coding. Publish your app on Android, iOS, and the Web. Incubated at Google and MIT, backed by YCombinator. One project, three cross-platform apps, no coding. Add motion and smooth transitions to your app with lottie animations. On Thunkable, every app project is automatically created as a native Android app, native iOS app and mobile web app (on any platform), it's pretty magical. Start with a new project, or customize an existing sample app from our growing gallery of open sourced projects. Thunkable has an amazingly active and engaged community to help you with all your app building questions. We also offer live-chat support. Build your own apps by dragging and dropping your favorite components and connecting them together with blocks.

Joget offers an open-source, AI-powered platform that converges no-code/low-code development with AI to rapidly build and customize enterprise applications at scale. By combining AI with visual app builders—not raw code—Joget makes app generation faster, safer, and more accessible. With Generative AI and Agentic AI capabilities, Joget Intelligence enables organizations to automate and enhance processes while maintaining oversight and compliance. Unlike typical AI code generation, Joget's visual-first approach ensures applications are maintainable and governed within collaborative human workflows. As an Application and Integration Fabric, Joget connects legacy and modern systems seamlessly. Its extensible, open-source core and plugin architecture offer unmatched flexibility, and its White Label solution allows OEMs and digital solution providers to fully rebrand the platform. Trusted by startups, global enterprises, and government agencies across the globe.

Mendix, a Siemens business and the global leader in enterprise low-code, is fundamentally reinventing the way applications are delivered in the digital enterprise. With the Mendix platform, enterprises can ‘Make with More,’ by broadening their development capability to conquer the software development bottleneck; ‘Make it Smart,’ by making apps with rich native experiences that are intelligent, proactive, and contextual; and ‘Make at Scale,’ to modernize core systems and build large app portfolios. The Mendix platform is built to promote intense collaboration between business and IT teams and dramatically accelerate application development cycles while maintaining the highest security, quality, and governance, in short, to help enterprises leap into their digital futures. The Mendix platform has been adopted by more than 4,000 leading companies around the world including Conoco Phillips, Business Development Bank of Canada, Post NL, Continental, Zurich Insurance, and