Best Free Web App Development Platforms

Create and launch fully-functional, data-driven web applications in a fraction of the time necessary to code it from scratch using Bubble! Bubble is powered by a robust point-and-click editor that allows users to build fully customizable web applications and workflows ranging from simple prototypes to complex marketplaces, SaaS products, and more. Over 1 million users have found success building and launching businesses on Bubble - many have gone on to participate in top accelerator programs, such as Y Combinator, and one company even raised $365M in venture funding. Bubble is more than just a product. It has created a strong community of builders and entrepreneurs that are united by the belief that everyone should be able to create technology. Traditional web applications require you to manage your code and set up a deployment process to a web server. Bubble handles deployment and hosting for you. There are no hard limits on the number of users, volume of traffic, or data storage.

Transform Google Sheets, Excel, or Airtable into software your users will love. Pick a spreadsheet and Glide instantly generates a real, working app or website to get you started. There's an app for everything. Browse our template store and make a copy to get started. Most of your app is based on the data you already have, whether it lives in Airtable, Excel, Google Sheets, or other data sources. After connecting your data, add rich visual components to display your data and make it interactive. Glide makes updating your app as easy as editing a document, changes instantly go live for your users, so you can iterate quickly. Connect a Google Sheet or start from a template. Customize how your data is displayed, then tweak styles & layouts. Publish your app to the web and share the link with anyone. Pick a spreadsheet or Airtable base, and Glide generates a basic app or website to get you started.

Action-based orchestration to build complex backend agents with multiple steps. Working for all LLMs, build fully customized UI for your agent without writing a single line of code, serving on your domain. Track every step of your agent, literally every step, to deal with the nondeterministic nature of LLMs. Build fine-grain access control over your application, data, and agent. Specialized fine-tuned model for accelerating software development. Automatically handle concurrency, rate limiting, and more.

From MVP to scaled SaaS, build your custom apps with a smooth learning curve, all powered by Momen. Streamlined from prototype design to app deployment, with robust built-in backend, say farewell to traditional dev. Create apps in weeks, and iterate your ideas with ease, no coding needed. Project-based pricing without overage fees and third-party backend service, estimate costs upfront. Advanced collaboration workflows with access control, build fully custom apps for million-user projects from the start. Build every part of your product visually in Momen's drag-and-drop editor. Clarify user journey and interaction, and unleash your inner designer's creativity. See holistically how users journey through your product with our interactive and dynamic canvas. Watch your product come to life in real-time with live preview as you build and test its features, with the browser preserving the navigation state.

From simple pilots to production-ready web applications in no time. No more compromise on performance, customization, and scalability. Taipy enhances performance with caching control of graphical events, optimizing rendering by selectively updating graphical components only upon interaction. Effortlessly manage massive datasets with Taipy's built-in decimator for charts, intelligently reducing the number of data points to save time and memory without losing the essence of your data's shape. Struggle with sluggish performance and excessive memory usage, as every data point demands processing. Large datasets become cumbersome, complicating the user experience and data analysis. Scenarios are made easy with Taipy Studio. A powerful VS Code extension that unlocks a convenient graphical editor. Get your methods invoked at a certain time or intervals. Enjoy a variety of predefined themes or build your own.

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

Mern.AI: Build Stunning Web Apps with AI Speed & Control Skip boilerplate, focus on brilliance. Mern.AI's AI assistant generates clean MERN stack code while you design, refine, and deploy your masterpiece. Boost your productivity, slash development time, and own your code. Features: AI Chat: Describe your app, watch code emerge. Built-in IDE: Edit, collaborate, code with ease. Full-stack Templates: Jumpstart your project instantly. Real-time Preview: See your app evolve as you code. One-click Deployment: Launch your app in minutes. Downloadable Source Code: Own your creation, deploy anywhere.

Build web apps to manage any type of business in minutes with zero coding or app-building experience required. Create practically any kind of custom database web app for any type of business in minutes directly from text prompts with no coding or app-building experience required. Start with the AI, then use intuitive no-code tools to customize your data models, pages, charts, and dashboards. Or build it all yourself with or without AI. Deploy your apps on your dedicated Aire hub low-code instance; add complexity, custom design, roles and permissions, advanced workflows, third-party integrations, and more. Aire builds web apps to manage records for any type of organization in any industry. Aire builds custom apps to manage records for any type of organization in any industry. The Aire AI Assistant will automatically create charts, user interfaces, and dashboards for you. You can manually edit your charts, interfaces, and dashboards or create new ones.

AWS App Studio is a generative AI-powered service that uses natural language to build business applications, empowering a new set of builders to create applications in minutes. With App Studio, technical professionals such as IT project managers, data engineers, enterprise architects, and solution architects can quickly develop applications tailored to their organization's needs, without requiring deep software development skills. Simply describe the application you want to build using natural language, and App Studio will create an application with a multipage user interface, a data model, and custom business logic. After generating your app, you can use simple instructions to update functionality and even add advanced AI capabilities to the app. App Studio provides granular access control policies over your data, users, and applications, giving IT teams visibility into every application, and allowing them to track usage and maintain compliance with company policies.