Best Application Development Software in the USA

Blackbird API Development

Ambassador

Accelerate Development of Prod-Ready APIs. AI-Powered Code Gen, Mocking in Minutes, and On-Demand Ephemeral Test Environments. * Design Efficiently: Generate standardized OpenAPI specs with AI assistance, allowing you to begin coding faster. * Mock Effortlessly: Create shareable API mocks without manual coding, enabling rapid validation. * Automate Repetitive Tasks: Utilize AI to automatically generate boilerplate code for both client and server-side APIs. * Test Effectively: Access publicly available URLs for testing in a production-like test environment through Blackbird's ephemeral testing environments. * Debug Seamlessly: Set breakpoints and debug directly from your preferred IDE with Blackbird's integrated debugging tools. * Deploy Smoothly: Utilize a 24/7 hosted environment for progressive and repeated testing without reconfiguration, facilitated by Blackbird's containerized deployment.

1 Rating

Starting Price: $69/month

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Sendbird

Sendbird is the omnichannel AI agent platform enterprises choose to elevate customer experience, by initiating autonomous support & sales conversations, keeping humans in the loop for complex inquiries, and re-engaging customers with proactive business messages. Combining omnichannel AI and a battle-tested, award-winning communication APIs, Sendbird enables businesses to build AI agents and meaningful customer connections at scale. Sendbird’s AI-powered customer service platform helps businesses deliver scalable, omnichannel support through intelligent AI agents. These agents work seamlessly across channels like mobile apps, web, SMS, and social media, providing instant and proactive assistance to customers 24/7. With the ability to integrate into existing customer support tools, the platform enhances resolution rates, reduces response times, and improves customer experience by offering a unified view of all interactions.

126 Ratings

Starting Price: $399/month

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Twilio

Twilio's application development tools empower developers to build robust communication solutions quickly and efficiently. With Twilio's APIs, developers can integrate voice, messaging, and authentication features into their applications, enhancing user engagement and experience. Using Twilio's Programmable Voice API, developers can create applications that handle inbound and outbound calls, implement call tracking, and provide interactive voice response (IVR) systems. The Messaging API allows for sending and receiving SMS, MMS, and WhatsApp messages, enabling real-time communication with users. Twilio's Verify API ensures secure user authentication through SMS, voice, and email verification, protecting applications from fraudulent activities. Additionally, Twilio's Flex platform offers a customizable digital engagement center for sales and support, allowing businesses to tailor customer interactions.

1,282 Ratings

Starting Price: $0.0085 per min

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Appenate

Reduce Paper-Based Work With Our Drag-n-Drop App Builder. Create Data-Driven Apps That Empower Your Business. Mobile & Desktop. No Coding Required. A no-code platform for creating data-driven apps to replace paper forms across all industries. Use our versatile drag-n-drop software to schedule, dispatch, track & manage jobs. “Appenate allowed our company to go paperless in the field & gave us the ability to move towards other paperless operations. Within a month we had a department of 12 technicians & one dispatcher using Appenate daily” – Junetta, Commercial Service Department – Total Group Create quotes, checklists or reports & easily integrate with existing systems. Enforce accountability, cost-saving & efficiency via our dashboard overview. FREE trial offered to test GPS, barcode scanning, signature & drawing, media & attachment upload, formulas, push notifications, white label & offline capabilities. Create online forms and apps in under 5 minutes.

27 Ratings

Starting Price: $11.90/month/user

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Localazy

Localazy is a localization automation platform and powerful CAT tool. Speak everyone's language and expand your user base. Manage translations and enjoy both standard & innovative localization features. Tailor-made for growing apps and established businesses alike. Integrate Localazy to your build chain (Github Actions, Bitrise, CI/CD) and forget about all the hassle. Never touch localizable files again 😏. 👨🏽‍💻 UX built around developer productivity ➡️ Instant&free translations available ➡️ Unlimited apps (public & private) ➡️ Unlimited localization features ➡️ Unlimited languages & translations ➡️ Unlimited machine translations ➡️ Save money with shared translations ➡️ All integrations & formats ➡️ One-time payment for source phrase quota available

47 Ratings

Starting Price: $39

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Comidor

Comidor is a cutting-edge Low-code BPM Platform that enables organizations to automate any type of business process or task and transform their business or even the whole industry by harnessing the power of Low-Code, BPM, and hyper-automation technologies. • High-productivity Low-Code Application Designer that enables business users with no coding knowledge to design, build and deliver business applications with minimal effort at high speed. • Intelligent Automation that integrates BPM and Workflow Automation with RPA and AI/ML to streamline, optimize and automate end-to-end processes • Application Marketplace with a wide variety of ready-to-use business apps suitable for every business need, such as Enterprise Collaboration, Project Management, HR Automation, CRM & Sales, Document Automation, Finance & Accounting. • Digital Workplace that provides a modern digital business environment where people and bots work together to perform business operations successfully

12 Ratings

Starting Price: $9.00/month/user

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Swiftify

Apple rolled out Swift in 2014 to replace Objective-C. There are still plenty of apps and projects that use Objective-C, and developers are faced with the prospect of either starting again from scratch or attempting to convert them to Swift. Swiftify for Xcode automates the conversion process, handling the task of replacing the syntax while letting you focus on the other aspects of project migration. As the name suggests, the service can be accessed directly from Xcode's Editor menu. You can convert a code selection or a whole file. You can paste Objective-C as Swift. It's also possible to convert files directly from Finder without booting up Xcode. Select the files and start the conversion from the context menu. Finally, the Advanced Project Converter app included in Swiftify for Xcode is designed to help you manage an entire project. It lets you explore the project in a dedicated UI and select files to be converted. Processed files are automatically added to the project.

18 Ratings

Starting Price: $49 per month

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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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Qorus Integration Engine

Qore Technologies

Qorus Integration Engine® is the only No-Code for Coders solution, enabling software engineers to rapidly create and maintain enterprise apps through a combination of building block construction, configuration, and custom coding in a highly flexible, open-source platform. Qorus includes AI automation, fault tolerant workflows, native Python - Java language integration, and a data provider API that automatically introspects and interfaces with any system independently of the underlying API or integration technology. Qorus is available as a paid enterprise edition, and a FREE, fully functional community edition.

1 Rating

Starting Price: $250 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: $79

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Convertigo

Convertigo SA

Convertigo is the first open source Enterprise Grade Low Code / No Code platform to accelerate your Enterprise digitalization for reasonable costs. Dream an App, Make an App! Imagine you can make any app you want. From simple handy workforce apps to Enterprise grade multi-device transactional applications helping companies to accelerate their business. Get live sooner! Convertigo Low Code platform application development makes your Enterprise to get business success more efficient, delivering complete applications, similar to Pro Code but faster and cheaper. Reduce by 90% time and money needed to build and deploy business applications running on all type of devices such as smartphones, tablets and PCs whatever operating systems they are running on. Enjoy Open Source! This means that you can use Convertigo Community Edition Free of Charge. Open Source also solves the Vendor Lock-in paradigm by allowing you to quit the platform and still enjoy running your apps

Starting Price: $15 per month / user

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Intellimas

Singletree Technologies

Intellimas is a highly configurable, no code/low code solution with spreadsheet features. This allows you to build a variety of web applications that end users will love. Intellimas is built for fast data entry, analytics, exception management, and easy retrieval of live data from other systems, if required. The grid UI allows for an easy transition from spreadsheets. This comprehensive view, along with our new form view, provide you with the flexibility to handle unlimited end uses. Intellimas is deployed on-premise or in the cloud. Companies typically implement Intellimas for one business application and usually find several others for it in a short period of time. Reach out to us for a demo and ask us about our free trial!

Starting Price: $38/Month

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Intrexx

United Planet GmbH

Low-code allows you to create a comprehensive, integrative solution that makes your work processes agile and adaptable at any time in the future. As a result, you save time and energy without having to do without tailored, coherent and seamless solutions. Therefore, low-code really is the best of both worlds because it harmonizes simple development and individuality. Your path to a successful digital future with low-code development.

76 Ratings

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MirrorFly

CONTUS TECH

MirrorFly is a CPaaS platform that empowers businesses and enterprises to add real-time chat features into their existing applications and websites. MirrorFly CPaaS offers text, voice, video, and broadcasting in an enterprise-grade infrastructure. Startups and large enterprises can build their own chat app with extensive customization and branding capabilities to add logos, brand color, and other brand elements. The self-hosted Chat APIs and SDKs offer 1000+ in-app messaging features with 100% customization. In addition, MirrorFly offers a dedicated developer team to support the end-to-end custom chat app development process. MirrorFly Readymade SDKs: 1. In-app Chat API 2. HD Video Call Solution 3. HQ Voice Call SDK 4. Self-hosted Chat Messaging Solution 5. SIP & VoIP Call Solution 6. Flutter Flow Software 7. Activity Feeds Solution 8. Call Broadcasting 9. Video Conferencing API 10. Video KYC Solution 11. Live Streaming SDK

47 Ratings

Starting Price: $299 per month

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Quixy

Quixy is a cloud-based, user-friendly platform that enables businesses to build and manage enterprise-grade applications quickly and effortlessly. Designed for today’s fast-paced environment. Quixy empowers users without coding skills to create applications up to ten times faster using a simple drag-and-drop interface. With an integrated cloud database, enterprise-grade security, and scalable infrastructure, Quixy enhances operational efficiency, transparency, and productivity. Whether building custom applications from scratch or customizing pre-built solutions, Quixy simplifies the development process, helping teams innovate and manage business processes seamlessly. It's the ideal platform for organizations seeking to streamline workflows, automate tasks, and drive growth efficiently. Schedule a Demo now with Quixy

28 Ratings

Starting Price: $20/user/month

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Kintone

Kintone is a customizable digital workplace platform that lets you manage your data, tasks, and communication in one central place. Over 25,000 customers use Kintone’s no-code platform with more than 1.5 million database and workflow applications custom built for their businesses. Kintone is provided by Cybozu Inc., a Tokyo-based public company founded in 1997. Use our no-code drag-and-drop interface to create your own custom database applications that track all the data you want. Whether it’s sales leads, customer quotes, or inventory management, you can organize it in Kintone and view it all from our centralized workplace platform. Maximize Kintone’s functionality with APIs or integrations with the third-party services you rely on for other parts of your business. Browse our library of 100+ integrations to find what you need. Trusted by the largest F500 companies, Kintone's no-code platform with granular governance empowers 'citizen developers' in SMBs and team leaders i

10 Ratings

Starting Price: $15.00 per user per month

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juno.one

DENEVY Labs

If you are looking for a simple way how to manage and plan projects, track issues, estimating time, use Helpdesk features, and in one place also cover test management, juno.one is the right choice for you. With clear dashboards, you are allowed to manage tasks and track bugs in a way you’ve seen never before. For scheduling your day-to-day activities juno.one offers really simple project swim-lanes and Gantt diagrams implemented in Roadmaps. Your project should be well designed and Epics or Stories are usually scaffold for your progress so why aren't they integrated with other project elements - simple and easy with juno.one. Of course, during the day you are charged with tone TODO tasks and always need help-hand with AI elements to organize and improve your focus on things to target more. What wasn't tested can’t work - that is the orthodox outlook from software testers and they are right. Excellent simplification with juno.one tool could improve your test management process.

5 Ratings

Starting Price: $10 per team, per month

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Apache NetBeans

Apache Software Foundation

Apache NetBeans is a versatile, open-source Integrated Development Environment (IDE) used for developing applications across a wide range of programming languages, including Java, JavaScript, PHP, HTML5, and C/C++. Known for its modular architecture, NetBeans provides robust tools and features that cater to the needs of developers working on desktop, mobile, and web applications. It includes intelligent code editing, debugging, and profiling capabilities, along with a built-in visual GUI builder for designing Java-based user interfaces. NetBeans also offers support for version control systems like Git, SVN, and Mercurial, facilitating seamless team collaboration. As an Apache Software Foundation project, NetBeans benefits from an active community that continuously improves and expands its functionality, making it a reliable and flexible choice for developers across various domains.

4 Ratings

Starting Price: Free

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Thinfinity Remote Desktop

Cybele Software

Thinfinity Remote Desktop allows you to securely deliver your Windows applications and desktops to any device with an HTML5 browser, no matter if they are hosted on the cloud, installed on-premises, or on hybrid architectures. Thinfinity Remote Desktop runs seamlessly on any public, private, or hybrid cloud. Build a flexible infrastructure mixing browser access to VDI, VMs, RemoteApps, and Unix machines. Allow users and clients to run your Windows applications anywhere and on any device.

3 Ratings

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Clappia

Clapptron Technologies Private Limited

Clappia is a No Code platform that can transform non-developers into app makers, without needing to write a single line of code. With Clappia, anyone in your organization can build customized mobile and web apps because building apps here requires no coding or any technical expertise. Based on the requirements, you can select and customize a set of pre-coded blocks, visually configure all backend processes, and get mobile and web apps in no time. For complex scenarios, you can use Excel formulae. The best part, there is no setup cost. You only pay for the number of users and build any number of apps. So, you can start quickly and pay as you go. Small businesses to Fortune 500 enterprises are opting for Clappia to build mobile and web apps for field force, shopfloor employees, work order management, data collection, audits and other business processes.

2 Ratings

Starting Price: 0

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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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Flex83

IoT83

Re-imagine IoT innovation with the Flex83 Application Enablement Platform! Build compelling & powerful IoT solutions up to 80% faster & at a fraction of the cost. - Use no-code workflows to build professional-grade connect/monitor/analyze/manage solutions fast. - Use low-code tools to connect to virtually anything, add custom business logic, build analytics, custom dashboards, and launch multiple applications. - Use the hassle-free SaaS model to build & prove your solution – and then scale - using a "pay as you grow" model! You can create sophisticated IoT applications - literally - in a day with tools & workflows that give you the agility to build what your business or customers need without worrying about long development cycles, underlying complexity, or huge budgets. Iteratively enhance you solution to broaden your capabilities and drive more customer value. And, proven to 65M devices, you know the Flex83 platform is reliable! Give Flex83 a try today!

2 Ratings

Starting Price: $200 per month

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AgilePoint NX

AgilePoint

AgilePoint Low-Code Digital Process Platform enables businesses to accelerate digital transformation by empowering its multidisciplinary teams to automate, streamline, or consolidate workflows and processes, and continuously improve customer outcomes, increase operational effectiveness, drive revenue growth while ensuring resilience and scalability.

1 Rating

Starting Price: $39/month/user

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GoodBarber

GoodBarber is an App Builder, developed in France, enabling users to create native mobile apps for iOS and Android and PWAs (Progressive Web App) without coding. By industrializing the creation process, GoodBarber can significantly reduce the cost of owning an app. With more than 40 million apps downloaded each year, GoodBarber receives ongoing feedback to maintain the quality, performance and robustness of its apps at the highest level. GoodBarber's offer is made up of 3 main products: - eCommerce apps: providing an impeccable shopping experience on smartphones has become an essential requirement for doing business online. - Content Management apps : for content editor, community manager or local business manager. your message must be accessible from several channels to reach your audience. Your readers will access it from a native mobile app for iOS and Android or a PWA. - Reseller program: generate income by creating and selling apps without coding

1 Rating

Starting Price: $25.00/month

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Tyk

Tyk Technologies

Tyk is a leading Open Source API Gateway and Management Platform, featuring an API gateway, analytics, developer portal and dashboard. We power billions of transactions for thousands of innovative organisations. By making our capabilities easily accessible to developers, we make it fast, simple and low-risk for big enterprises to manage their APIs, adopt microservices and adopt GraphQL. Whether self-managed, cloud or a hybrid, our unique architecture and capabilities enable large, complex, global organisations to quickly deliver highly secure, highly regulated API-first applications and products that span multiple clouds and geographies.

1 Rating

Starting Price: $600/month

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Bugfender

Beenario

Remote logger, crash reporter and in-app user feedback Bugfender is a log storage service for application developers. Bugfender collects everything happening in the application, even if it doesn’t crash, in order to reproduce and resolve bugs more effectively and provide better customer support. Bugfender respects your user's privacy, is battery and network efficient and keeps logging even if the device is offline. Track and destroy bugs before users even notice. Bugfender logs all bugs on all devices and sends the results in seconds - enabling you to find and fix bugs before your users even get an error message. Achieve 5-Star Ratings. Bugfender doesn’t just log bugs and crashes. It logs all the information you’ll ever need so you can build a clear picture of your users and earn those crucial five-star ratings. Deliver world-class customer service. Our logging tool enables you to target individual users and provide personalized customer support.

1 Rating

Starting Price: €29 per month

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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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Ambassador

Ambassador Labs

Ambassador Edge Stack is a Kubernetes-native API Gateway that delivers the scalability, security, and simplicity for some of the world's largest Kubernetes installations. Edge Stack makes securing microservices easy with a comprehensive set of security functionality, including automatic TLS, authentication, rate limiting, WAF integration, and fine-grained access control. The API Gateway contains a modern Kubernetes ingress controller that supports a broad range of protocols including gRPC and gRPC-Web, supports TLS termination, and provides traffic management controls for resource availability. Why use Ambassador Edge Stack API Gateway? - Accelerate Scalability: Manage high traffic volumes and distribute incoming requests across multiple backend services, ensuring reliable application performance. - Enhanced Security: Protect your APIs from unauthorized access and malicious attacks with robust security features. - Improve Productivity & Developer Experience

1 Rating

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K.Explorer

Morphis Tech

A state-of-the-art AI that builds better software, cheaper and faster. K.Explorer is an AI powered Code Assistant trained on many millions of private corporate lines of code, for specific domains, and on billions of public and open-source lines of code for general purposes. Its code auto-completion features suggest code completions and entire function bodies as you type or as you search the engine for help. To make development faster and more agile it even supports Natural Language for programmers to get guidance while telling a text story about the code they want to write.

1 Rating

Starting Price: Free

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Betty Blocks

The number one platform to build advanced enterprise-grade applications: surprisingly easy, fast, and fun. The Betty Blocks platform is often used by corporate organizations, law firms, and legal teams to automate important business processes with bespoke applications, released in a rapid manner. The platform of Betty Blocks offers limitless solutions. From pre-built templates to personalized applications, we've got you! With use cases such as contract- and NDA generators, you can easily integrate document templates and define the variables you need to customize your documents. Our best-in-class integration with for example iManage, and Thomson Reuters HighQ, ensures our platform fits perfectly into your IT landscape. With Betty Blocks, you can lower your development lifecycle from months to weeks or even days! 100% in the cloud, 100% pushing your organization's needle on innovation.

Starting Price: $1500.00/month

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Compare the Top Application Development Software in the USA as of April 2025

What is Application Development Software in the USA?

Blackbird API Development

Sendbird

Twilio

Appenate

Localazy

Comidor

Swiftify

Alpha Anywhere

Qorus Integration Engine

DHTMLX

Convertigo

Intellimas

Intrexx

MirrorFly

Quixy

Kintone

juno.one

Apache NetBeans

Thinfinity Remote Desktop

Clappia

Neptune DXP

Flex83

AgilePoint NX

GoodBarber

Tyk

Bugfender

Thunkable

Ambassador

K.Explorer

Betty Blocks

Best Application Development Software in the USA

Compare the Top Application Development Software in the USA as of April 2025

What is Application Development Software in the USA?

Blackbird API Development

Sendbird

Twilio

Appenate

Localazy

Comidor

Swiftify

Alpha Anywhere

Qorus Integration Engine

DHTMLX

Convertigo

Intellimas

Intrexx

MirrorFly

Quixy

Kintone

juno.one

Apache NetBeans

Thinfinity Remote Desktop

Clappia

Neptune DXP

Flex83

AgilePoint NX

GoodBarber

Tyk

Bugfender

Thunkable

Ambassador

K.Explorer

Betty Blocks

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