Best Nonprofit Web App Development Platforms of 2026

Intellimas

Singletree Technologies

Intellimas is a highly configurable, low code solution with spreadsheet features. It allows you to build enterprise level, web apps that end users love. Intellimas is built for fast data entry, analytics, exception management, and easy retrieval of live data from other systems. The multi-level grid UI allows for a quick transition from spreadsheets. This comprehensive view, along with our form view, provide you with the flexibility to handle unlimited business processes. Intellimas is deployed on-premise or in the cloud. It features field level security, mass update capabilities, configurable alerts, integration tools, image viewing, and workflow management. Intellimas replaces mega-spreadsheets, custom solutions, and inefficient systems with repeatable processes, one version of the truth, and the ability to adapt to a volatile business climate. Organizations typically implement Intellimas for one process and usually find several other use cases for it in a short period of time.

30 Ratings

Starting Price: $38/month

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Retool

Retool is the AI-native enterprise app development platform where teams build and ship production-ready apps — at AI speed, with enterprise governance built in. Describe what you need and get a working app, import React-based apps from Lovable, Replit, or Claude Code, or connect your AI agent via MCP. However your team builds, every app lands in Retool with RBAC, SSO, audit logging, and your existing permissions already in place. Retool connects to databases, APIs, LLMs, and external tools out of the box. Teams can build AI agents, dashboards, workflows, and full-stack apps — with a visual editor for speed and direct code access for precision. Trusted by over 10,000 organizations including Amazon, Stripe, DoorDash, and OpenAI to get AI-built apps safely to production.

593 Ratings

Starting Price: $10 per user per month

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QuickApps

AgreeYa Solutions

QuickApps is an innovative No-Code solution that can completely transform your SharePoint experience and help maximize your ROI. With QuickApps, business users can build complex business applications for SharePoint On-premise or SharePoint Online 80% faster using simple point-and-click configuration instead of custom coding. This award-winning solution delivers a set of 21 web apps and pre-built templates for SharePoint On-premise and 9 web apps for Microsoft (Oﬃce) 365 that lets you build applications that are easily supported, maintained and upgraded, ensuring their long-term impact and return on investment. More than 75,000 professionals and 200 organizations rely on QuickApps to accelerate and simplify app development on SharePoint.

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Alpha Anywhere

Alpha Software Corporation

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.

8 Ratings

Starting Price: $0

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GW Apps

GW Apps – Build Powerful Business Apps Without Code. GW Apps is a secure, cloud-based no-code platform that enables businesses to create custom applications and automate workflows without programming. Designed for both business and IT teams, GW Apps combines an intuitive drag-and-drop builder with enterprise-grade security, granular permissions, and powerful workflow automation. From replacing spreadsheets to managing complex, multi-step approvals, GW Apps empowers organizations to design and deploy tailored solutions in days, not months. Our platform supports advanced data management, mobile-ready interfaces, and integration with existing systems, ensuring smooth adoption across teams. With personalized onboarding and expert support, GW Apps helps companies streamline operations, improve collaboration, and accelerate digital transformation—at a fraction of the cost of traditional development.

3 Ratings

Starting Price: $99/month / 15 users & 3 apps

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Stadium

Twenty57

Stadium allows you to rapidly build and host web applications using a drag and drop interface. It is a versatile developer tool that easily connects to databases and APIs to quickly produce data-rich web applications.

Starting Price: $19 per month

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DHTMLX

DHTMLX is a JavaScript UI library that provides a set of highly customizable and flexible components for building modern and responsive web applications. The library includes more than 30 UI components, such as Gantt, Scheduler, Kanban, diagrams, charts, grids, spreadsheets, calendars, trees, forms, and more. DHTMLX helps to advance web development and build feature-rich data-intensive applications of any complexity. One of the key advantages of DHTMLX is its compatibility with different web frameworks, including React, Angular, and Vue.js, which makes it a great choice for developers who are already working with these frameworks. DHTMLX is also designed with performance in mind. Its components are optimized for fast rendering. A comprehensive and rich API provides a straightforward way to manipulate JavaScript/HTML5 UI widgets. The library has detailed API documentation, tutorials, and examples that help developers quickly get up to speed and start building their apps.

Starting Price: $799

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Hostinger Horizons

Hostinger

Hostinger Horizons is the perfect vibe coding tool, letting you build websites and apps based on an idea or a feeling. Simply describe what you want, and our AI acts as your personal designer and developer, creating a complete, mobile friendly project instantly. Horizons is built to create real world applications. You can generate a full ecommerce store, a blog, or a custom business tool. The AI intelligently builds both the visual frontend and the functional backend, with support for essential integrations like Stripe for payments and Supabase for user accounts. Designed for creators, entrepreneurs, and developers who want results without complexity, our prompt based editor makes customization simple. As a Hostinger product, your project comes with built in hosting and easy one click deployment, giving you everything you need to bring your vision to life.

61 Ratings

Starting Price: $9.99/month

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RadSystems

RadSystems is a robust integrated development environment tool and Low-code software that facilitates rapid application development process by reducing redundant coding time. RadSystems applications can be generated through ASP.NET Core, Python Flask, PHP Laravel, Node Express.js, Vue.js, and Quasar Framework. You can also build traditional or classic web applications using Bootstrap, jQuery, and Laravel. RadSystems Studio is a robust Low-code software that facilitates a rapid application development process by reducing redundant coding time. Through its complex engine algorithm, it is possible for an application to be generated in several programming languages from a single code base. You can publish your application to Classic Application, Single Page Application, Progressive Web Application, and Mobile Application with a single click.

22 Ratings

Starting Price: $298

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CaptainCasa Enterprise Client

CaptainCasa

Rapid development and cost-effective maintenance of web applications with server-side Java. The developer uses only this most widely used development language; no html, css or javascript knowledge is required for frontend programming. Unique clear separation of UI design and logical processing. Integration of Java business logic into the design through expression language and event control. Numerous and exceptional components serve a unique overall look; unlimited use of additional CSS or JavaScript on design side. Of course, the developed applications can also be hosted on Microsoft Azure or AWS (Amazon Web Services); the developed applications can also be used in-house with simple deployment. CaptainCasa Enterprise Client protects against hidden costs and provides long-term protection of your software development investment.

7 Ratings

Starting Price: Free

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Appery.io

Appery

Appery.io is a low-code app development platform that makes creating hybrid mobile apps, web apps, and progressive web apps (PWAs) easy. Creating a custom app UI has never been easier. Leverage the speed of drag-and-drop functionality and the power of JavaScript to turn your idea into a complete application in days instead of months. Appery.io is a web, PWA, and mobile app development platform. Cross-platform applications built with Appery.io will work smoothly and look great across all popular devices and operating systems. Submit mobile apps to the App Store and Google Play, or deploy them as web apps and PWAs, all with a single codebase. Our low-code app development platform is easy to master even for total beginners. Seasoned app developers, on the other hand, will continue working with the frameworks they love, such as Ionic and Angular, augmented with visual tools to boost their productivity.

5 Ratings

Starting Price: $30 per month

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PerfectApps

PerfectApps puts the power to create completely customized no-code solutions in your hands. Subject matter experts can build enterprise-ready web apps, web forms and reports in days or weeks instead of months – without coding. Using a visual designer, simply drag & drop pre-coded elements on a canvas to build the entire application. The no-code approach removes coding as a barrier between ideas and solutions. With our no-code development platform, you can: • Build & deploy web apps, web forms and reports • Automate simple or complex workflows • Send automated notifications and escalations • Create impressive drill down reports with data grids, graphs, & charts • Get full visibility to your workflow processes • Integrate with LDAP, databases and other 3rd party apps • Host in the Cloud or on your servers

4 Ratings

Starting Price: $500 per month

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Oracle APEX

Oracle

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.

3 Ratings

Starting Price: $0

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ServBay

ServBay is an AI-native local dev platform for web developers and coding agents, providing a pre-configured web stack alongside local AI infrastructure. 🚀 AI-Native Features: MCP Server: Connect local environments with AI agents (Claude Code, Cursor, Codex). AI can manage sites, change runtimes, and query databases programmatically. (macOS/Windows) Secure AI Gateway: Centralize API keys (OpenAI, Claude, Gemini, local Ollama) into a locally-encrypted endpoint. Track usage and budgets on a unified dashboard. Remote App: Monitor agent tasks, approve execution requests, restart databases, and generate public preview URLs on the go (iOS/Android). 🛠️ Complete Local Stack: 50+ coexisting runtimes (PHP, Node.js, Python, Go, Ruby, Rust, .NET). Databases & Servers: MySQL, PostgreSQL, Redis, MongoDB, NGINX, Apache, and Caddy. Utilities: dnsmasq (DNS), Mailpit (email), and automatic local SSL. Non-intrusive setup: Everything runs in a single folder for easy b

3 Ratings

Starting Price: $0

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Kissflow

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,

2 Ratings

Starting Price: $1500 per month

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Claris FileMaker

Claris

Build apps like a boss. Take on digital transformation with Claris FileMaker. Quickly build custom apps that solve your business problems today — and tomorrow. Accelerate your business, unlock your team’s creative potential, and drive to better outcomes. Need an app to solve a really sticky business problem? Build it with FileMaker. It’s got all the tools you need to roll up your sleeves and DIY — or team up with pro developers for next-level expertise. And by today, we mean today. With built-in templates, drag-and-drop design, and an intuitive graphical UI, you’ll be app-building in no time. And your work goes live the second you’re ready, across every device — that’s the power of FileMaker. Need an app now but crunched for time? Odds are you’re not alone. Explore Marketplace to find the perfect jumping off point for your own custom app — from templates and components to fully-completed vertical market apps.

2 Ratings

Starting Price: $21 per user per month

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AppSheet

Google

Google AppSheet is a no-code application development platform that helps businesses create custom apps and workflow automations without requiring programming experience. The platform uses Gemini AI to help users quickly turn ideas into functional applications by generating app structures, workflows, and intelligent features from simple prompts. AppSheet allows organizations to build apps for data collection, task management, reporting, inventory tracking, approvals, and collaboration using tools such as forms, barcodes, signatures, locations, and photo capture. The platform integrates with Google Workspace applications including Gmail, Google Sheets, Google Chat, and Apps Script, while also supporting third-party services like Salesforce, Dropbox, Office 365, and SQL databases. AppSheet includes automation capabilities such as notifications, workflow triggers, AI-powered document processing, and machine learning features that help streamline repetitive business processes.

2 Ratings

Starting Price: $5 per user per month

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Kendo UI

Progress Software

Kendo UI is the ultimate collection of JavaScript UI components with libraries for jQuery, Angular, React, and Vue. Quickly build eye-catching, high-performance, responsive web applications—regardless of your JavaScript framework choice. Easily add advanced JavaScript components into your existing or new designs. Kendo UI’s hundreds of components handle everything you need to satisfy your users’ requirements. Add advanced components such as data grids, charts, schedulers, and calendars with just a few lines of code. Each is crafted for performance and customizability. Switching frameworks and starting new projects won’t require a new license or a big learning curve. Everything is included and up-to-date, APIs are consistent and theming is easy. Our QA process coupled with world-class support teams and a large user community means that our components will always work the way they’re supposed to—guaranteed.

2 Ratings

Starting Price: $899

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SpreadsheetWeb

Pagos

SpreadsheetWeb is a no-code platform developed for business users working with Microsoft Excel. It helps businesses translate their collective Excel expertise into robust web applications with limited reliance on IT resources. The SpreadsheetWeb platform empowers ordinary Excel users to create secure, responsive, database-driven applications directly from their Excel spreadsheets. By transforming the data collection mechanism from individual file-based spreadsheets into structured databases while maintaining the formula structure, the system provides a higher level of governance for critical information. Combined with built-in workflow and reporting capabilities, SpreadsheetWeb offers an end-to-end platform for business users seeking to create and manage their own web applications.

2 Ratings

Starting Price: $30.00/month

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EASA

EASA has a unique approach to deploying existing, Excel spreadsheet-based tools as secure, custom web applications. These apps can be deployed within a web portal for use by internal or external staff, including partners, resellers, suppliers or customers as well as subscription based applications (SaaS). Unlike competing solutions, sophisticated spreadsheets with VBA, macros and add-ins can be deployed with EASA. Furthermore, EASA provides full database functionality, approvals and notifications and integration with CRM and ERP systems. Common use-cases include the deployment of spreadsheets used for CPQ (configure price quote), insurance raters, financial analytics, engineering calculations, and many more. Your existing spreadsheet becomes the “engine” for the web app, eliminating any need to extract the logic and reprogram in a separate solution. If your company has made a significant investment into critical spreadsheets, then learn why AIG, Voya, HP and others rely on EASA.

2 Ratings

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AWS Amplify

Amazon

Fastest, easiest way to develop mobile and web apps that scale. AWS Amplify is an end-to-end solution that enables mobile and front-end web developers to build and deploy secure, scalable full stack applications, powered by AWS. With Amplify, you can configure app backends in minutes, connect them to your app in just a few lines of code, and deploy static web apps in three steps. Get to market faster with AWS Amplify. Use the Amplify CLI guided workflows to set up best-in-class backends for authentication, storage, APIs, and other common use cases in minutes. With AWS, your app scales automatically and transparently, with built-in best practices for security, reliability, and global availability and access to the underlying resources in the AWS console. Use Amplify Libraries to connect new or existing cloud backends to your mobile and web app. Supports Android, iOS, React, Flutter and more. Add features such as auth (Amazon Cognito), storage (Amazon S3), data, AI/ML, and more.

2 Ratings

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Thunkable

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.

1 Rating

Starting Price: $15/mo

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TSQL.APP

UX1 BV

TSQL.APP is a web-based SQL platform for building data-driven applications directly within SQL Server. Featuring a built-in IDE, it enables developers to create responsive web apps using SQL for backend logic and UI interactions. Key features include: Dynamic UI Components: Cards represent database records in list and form views, with customizable modals for inputs, alerts, tables, and real-time reports. Action Scripting: SQL-based action scripts define app behavior, enabling CRUD operations and complex workflows. Real-Time Interactivity: Reports auto-refresh, and audio/visual alerts provide instant user feedback. Security and Accessibility: Supports secure logins, cloud access, and file management through meta tables. Extensibility: Integrates with .NET CLR for advanced operations. TSQL.APP is ideal for building adaptable business apps with responsive data handling, streamlined workflows, and custom user interactions.

1 Rating

Starting Price: €220 5 Developers/Users

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OutSystems

OutSystems is the number one low-code platform that is specifically designed to help users build and deliver better apps faster. Combining the power of low-code development with advanced mobile and enterprise integration capabilities, OutSystems enables users to visually develop and manage their entire application portfolio, stage interdependent apps and components, seamlessly integrate with existing systems, and streamline DevOps processes.

1 Rating

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Scriptcase

Netmake

An efficient web development low-code platform. It helps you to create complete web systems and Business Intelligence solutions fast and easy! Scriptcase enables you to design, develop and elegant, responsive, database-driven applications using only your web browser. A powerful PHP generator for you to develop fast, simple, secure at a low cost. Connect with your database (MySQL, MariaDB, PostgreSQL, SQLite, Interbase, SQL Azure, Amazon Aurora, Firebird, Access, Oracle, MS SQLServer, DB2, SyBase, Informix or ODBC layer) and generate web applications based on your tables, simply and safely. Make the data access and maintenance an uncomplicated step! Scriptcase offers an XLS, CSV and ACCESS spreadsheet import and conversion features for the databases supported by Scriptcase. With this import tool you can easily transform your spreadsheets into system applications.

3 Ratings

Starting Price: $349

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Webflow

Break the code barrier. Build better business websites, faster. Without coding. Build production-ready experiences without coding. Bring your design vision to life in clean, semantic HTML5, CSS, and JavaScript — with the Webflow Designer. Build completely custom databases for dynamic content types, including online stores. Easily create immersive interactions and animations. Go live on a fast, reliable, and hassle-free hosting network that scales with your business — with a click. Built to scale — on the same network as Netflix, Pinterest, Airbnb, Slack, and Adobe. So you don’t have to worry about your site going down. No updates to run, packages to install, or headaches to deal with. Create, launch, and iterate on new marketing campaigns without distracting your product team. Metadata controls, automatic XML sitemaps, easy 301 redirects, and canonical tags. Connect your marketing tools with built-in integrations and the flexibility of custom code.

3 Ratings

Starting Price: $12 per month

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Joget DX

Joget, Inc.

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.

Starting Price: $5/user/month

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UI Bakery

A low-code platform for creating internal tools visually. Allows people with basic web app development understanding to build beautiful UIs, connect data sources to it, publish & share apps securely. Have a customizable Design System under the hood. Have a variety of predefined widgets, UI components, free app templates and dashboards. Features: - Autogenerate UI components - Connect, read, write data - Create workflows & business logic - Add custom JavaScript code - Debug and test apps - Publish your web app

Starting Price: $10/user/month

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Softr

Softr is the AI app builder for business operations. Build secure internal tools and portals with databases, workflow automation, and integrations included. Access control and granular permissions are built in— so your apps are secure, scalable, and ready for real users immediately. This means non-technical teams can launch, maintain, and change their own tools without relying on developers. Build with AI, edit visually, or switch between the two at any time. Over 1 million teams, including Netflix, Google, Stripe, UPS, and Clay, use Softr to build and run business operations apps.

Starting Price: $49 per month

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VIKTOR

VIKTOR is an AI-powered platform that enables engineers to automate workflows and build custom applications. It allows users to create tools for design, analysis, reporting, and data processing without extensive coding. The platform integrates with popular engineering software such as Autodesk, Bentley, and Trimble. Engineers can connect multiple tools into a single workflow, reducing manual work and errors. VIKTOR also supports collaboration by allowing teams to share apps with version control and governance. It helps turn complex engineering processes into efficient, repeatable systems. Overall, VIKTOR streamlines engineering tasks and boosts productivity through automation.

Starting Price: $0/per month/user

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Best Nonprofit Web App Development Platforms

Compare the Top Nonprofit Web App Development Platforms as of October 2026

What are Nonprofit Web App Development Platforms?

Intellimas

Retool

QuickApps

Alpha Anywhere

GW Apps

Stadium

DHTMLX

Hostinger Horizons

RadSystems

CaptainCasa Enterprise Client

Appery.io

PerfectApps

Oracle APEX

ServBay

Kissflow

Claris FileMaker

AppSheet

Kendo UI

SpreadsheetWeb

EASA

AWS Amplify

Thunkable

TSQL.APP

OutSystems

Scriptcase

Webflow

Joget DX

UI Bakery

Softr

VIKTOR

Best Nonprofit Web App Development Platforms

Compare the Top Nonprofit Web App Development Platforms as of October 2026

What are Nonprofit Web App Development Platforms?

Intellimas

Retool

QuickApps

Alpha Anywhere

GW Apps

Stadium

DHTMLX

Hostinger Horizons

RadSystems

CaptainCasa Enterprise Client

Appery.io

PerfectApps

Oracle APEX

ServBay

Kissflow

Claris FileMaker

AppSheet

Kendo UI

SpreadsheetWeb

EASA

AWS Amplify

Thunkable

TSQL.APP

OutSystems

Scriptcase

Webflow

Joget DX

UI Bakery

Softr

VIKTOR

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