Best Web App Development Platforms for Microsoft 365

Compare the Top Web App Development Platforms that integrate with Microsoft 365 as of September 2025

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This a list of Web App Development platforms that integrate with Microsoft 365. Use the filters on the left to add additional filters for products that have integrations with Microsoft 365. View the products that work with Microsoft 365 in the table below.

What are Web App Development Platforms for Microsoft 365?

Web app development platforms provide the tools and frameworks needed to design, develop, test, and deploy web applications. These platforms often include integrated development environments (IDEs), pre-built templates, code libraries, and drag-and-drop components that simplify the development process. Web app development platforms support various programming languages, databases, and APIs, allowing developers to build scalable, secure, and interactive web applications. By using these platforms, developers can streamline the app development lifecycle, enhance productivity, and reduce time-to-market for web-based applications. Compare and read user reviews of the best Web App Development platforms for Microsoft 365 currently available using the table below. This list is updated regularly.

1

GW Apps

GW Apps

GW Apps delivers responsive, cloud-based web applications without traditional coding. Build secure, data-driven apps featuring dashboards, forms, and automated workflows, all managed through a visual interface. Role-based permissions, audit trails, and scalable architecture make deployment and ongoing changes straightforward, helping organizations launch and evolve web apps quickly with minimal IT overhead.

37 Ratings

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

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2

PerfectApps

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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3

AppSheet

Google

A trusted and scalable platform for mobile apps. Here's the reality: too many apps need to be built and there are not enough IT resources to create them. Enter AppSheet, a no code development platform that anyone can use to build and deploy apps. Empower your business users, and anyone else in your company to build apps. But ensure that those apps remain under centralized management and control with AppSheet for the Enterprise. AppSheet for the Enterprise is a trusted platform for building, publishing and managing mobile apps. It promotes innovation, agility, and flexibility throughout your organization while enabling security and governance. Connect data and software to a unified platform that’s fully integrated with Google Workspace. Integrate with Google Workspace apps like Gmail, Sheets, and Spaces. Connect to third-party apps such as Office 365, Dropbox, and Salesforce.com. Integrate with SQL databases, Apigee, REST APIs, and OData.

2 Ratings

Starting Price: $5 per user per month

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4

Neptune DXP

Neptune Software

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.

2 Ratings

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5

sterlo

sterlo

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.

2 Ratings

Starting Price: $9/user/month

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6

Microsoft Power Apps

Microsoft

Now everyone can quickly build and share low-code apps with Microsoft Power Apps. Increase agility across your organization by rapidly building low-code apps that modernize processes and solve tough challenges. Empower your team to start building and launching apps right away using pre-built templates, drag-and-drop simplicity, and quick deployment—then roll out continuous improvements as needed. Give everyone the power to build the apps they need with advanced functionality previously only available to professional developers—including pre-built AI components. Provide professional developers the tools to seamlessly extend app capabilities with Azure Functions and custom connectors to proprietary or on-premises systems. Connect your apps to hundreds of data sources using a library of more than 260 connectors and Common Data Service —bringing your data together for a single source of truth while you modernize processes as well as customize and extend Office 365, Dynamics 365 etc.

2 Ratings

Starting Price: $20 per user per app per month

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7

ACE4J

ACE4J

The Adaptive Calculation Engine for Java ACE4J provides a reliable platform for converting Excel-based applications into web applications at a low cost, efficiently, and with guaranteed easy maintenance and support in the future. At the same time ACE4J is a modern formula language based on a robust and efficient calculation engine, that is capable of evaluating complex Excel formulas. Thus it is also a great tool for new Java based Web applications that require heavy calculations. The Adaptive Calculation Engine (ACE4J) is a Java API used to evaluate the formulas written in Microsoft Excel style. This engine provides the most popular Microsoft Excel functions which are frequently encountered in applications that require heavy calculations. The number of available formulas and features increases with every Adaptive Calculation Engine release based on feedback from our customers. Adaptive Calculation Engine is capable of evaluating thousands of formulas within seconds.

Starting Price: $2,999 one-time payment

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8

Aire

Aire

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.

Starting Price: $57 per month

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9

Mendix

Mendix

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

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10

Calcapp

Neosupport AB

Forget error-prone Excel calculators and build apps instead. Imagine a cloud-based app designer enabling you to create apps without having to do any programming. Connect Excel-like formulas—with support for close to 400 functions—to the fields of your app. Formulas can also be used to determine if a field should be visible, what recipients a report should be sent to and whether a button should be grayed-out. They can also be used to flag possibly erroneous values. Design your app graphically using our easy-to-use DIY tool. Use the live preview to test your app and then publish it at the press of a button. Apps can run through any web browser, so they don't need to be installed by your IT department. Use validation to flag potentially invalid input or results, ensuring that errors are caught early.

Starting Price: $9 per month

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