Best Free Application Development Software

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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Weavy

The complete in-app collaboration API and SDK. Add contextual activity feeds, chat, and document collaboration directly into your apps to increase user engagement, improve in-app retention, and reduce customer churn. All Weavy features include integrations to the third party tools your users are already familiar with: add capabilities for Zoom and Teams video conferencing, Google Drive, Dropbox, or Box file sharing, document sync and versioning contextually inside your app. Weavy allows app developers to quickly add the features that users need to be productive and interactive, directly within the app environment. With our SDK and APIs, you can deploy chat, feeds, and document sync in a matter of days, not months, and at a fraction the cost to build in-house. Focus on your core product while simultaneously adding functionality that makes your user experience not only better, but increases user engagement and dependency on your app.

7 Ratings

Starting Price: $0/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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Linx

Twenty57

A powerful iPaaS platform for integration and business process automation. Linx is a powerful platform for building custom integrations at scale. The platform provides enterprise-grade capability and unparalleled flexibility to cater to a wide range of integration use cases for today’s growing businesses, including application integration, data synchronization, data migration, automations, and rapid API development and management. Linx is a low-code, desktop-based iPaaS that enables organizations to connect their cloud and on-premise applications, data sources.

1 Rating

Starting Price: $599 per month

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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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Planview LeanKit

Planview

Planview LeanKit™ enables engineering teams across all levels of the organization with a visual work delivery tool to apply Lean management principles to their work, helping them work smarter and deliver faster. Gain at-a-glance visibility for the entire organization, bringing clarity, alignment, and focus on business objectives to engineers and the teams they interact with. Use powerful reporting and analytics to help you identify opportunities for continuous improvement. Every action is recorded to provide the context and insight needed to evolve along the way. Share a consolidated view of work priority and project status – whether in the same room or distributed across the globe – to enable teams to manage their speed of delivery.

Starting Price: $12.00 per user per month

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Jira

Atlassian

Jira is the only project management tool you need to plan and track work across every team. Jira by Atlassian is the #1 software development tool for teams planning and building great products. Trusted by thousands of teams, Jira offers access to a wide range of tools for planning, tracking, and releasing world-class software, capturing and organizing issues, assigning work, and following team activity. It also integrates with leading developer tools for end-to-end traceability. From short projects, to large cross-functional programs, Jira helps break big ideas down into achievable steps. Organize work, create milestones, map dependencies and more. Link work to goals so everyone can see how their work contributes to company objectives and stay aligned to what’s important. Your next move, suggested by AI. Atlassian Intelligence takes your big ideas and automatically suggests the tasks to help get it done.

44 Ratings

Starting Price: Free

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Buddy

Buddy is a revolutionary build, test & deploy tool with dozens of integrations and over 100 ready-to-use actions. From website delivery to app deployments, from builds to test, Buddy turns the tedious part of every project into a breeze. Buddy is the most effective way to build better apps faster. Even the most complicated CI/CD workflows take minutes to create. Buddy is DevOps adoption winner. Smart changes detection, state-of-the-art caching, parallelism, and all-around optimizations make Buddy the fastest. Docker, Kubernetes, Serverless and Blockchain are always a click away from your stack. Buddy is minimal friction automation platform that makes DevOps easy for developers, designers and QA teams. With Buddy, your apps & websites are built, tested and deployed significantly faster after only minutes of setup.

25 Ratings

Starting Price: $75 per month

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Lucidchart

Lucid Software

Lucidchart is an online diagram application that makes it easy to create and share professional diagrams. From system design, to brainstorming, to project management, we support all of your communication and collaboration needs. Thats why millions of users choose Lucidchart.

10 Ratings

Starting Price: $7.95/month/user

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1C:Enterprise

1C Company

1C:Enterprise is a universal rapid application development platform for building and delivering business management and accounting solutions in HORECA, Retail, Manufacturing, Logistics, Finance, and other industries. It has the breadth of capability to address the diverse needs of today’s business through building solutions in a low-code environment. The 1C:Enterprise platform enables developers to rapidly build business applications of any complexity, from the most straightforward single-developer products to advanced ERP systems. 1C:Enterprise applications run on desktop, mobile, and web. The platform automatically adapts applications to the required OS, browser, and DBMS. Due to the support of multiple open standards (ODBC, REST API, OData, XML, JSON, COM, SOAP, HTTP, etc.), 1C:Enterprise applications easily integrate with any software and hardware, including equipment from various vendors.

3 Ratings

Starting Price: $200

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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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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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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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Felgo

FELGO GmbH

Felgo is a cross-platform SDK for rapid, native app & game development for iOS, Android, Desktop & Embedded. Felgo’s biggest advantage is the big time savings and the easiness to learn compared to other development SDKs. You write less source code and make use of a single code base for all platforms. Less code means fewer bugs and faster releases of new updates from a single team for all platforms. Key Features for Mobile & Desktop: • Create stunning UIs and animations to wow your users and rank higher in the app stores. • Code & time savings up to 80% thanks to the reactive & declarative language and 200+ APIs. Key Features for Embedded: • Create high performance embedded system apps & second screen apps. • Native performance and rapid UI creation, powered by C++ & JavaScript. Felgo is an official Qt Technology Partner. Felgo is in use by over 50.000 developers worldwide and field-proven by Fortune 500 companies across all kinds of industries.

1 Rating

Starting Price: Free for personal usage.

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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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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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Protogrid

Protogrid lets you create tailor-made workflow apps to organize your business data on the desktop and on the go. With Protogrid you get your own powerful business applications in no time, tailor them exactly to your needs and use them conveniently on your desktop and as a full-fledged mobile app. Online and offline. Creating a new database application with Protogrid takes just a few minutes. Once you give us something to work with, our intelligent database system automagically creates views and arranges your data in the best way possible. Focus on the important stuff and let Protogrid do the heavy lifting. On your desktop, laptop, tablet, or smartphone. On the internet or through the App Store. Online or offline. Protogrid has what it takes to run database applications pretty much everywhere – and our track record is constantly improving.

1 Rating

Starting Price: $14 per user per month

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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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Delphi

Embarcadero

Delphi is the ultimate IDE for creating cross-platform, natively compiled apps. Are you ready to design the best UIs of your life? Our award winning VCL framework for Windows and FireMonkey (FMX) visual framework for cross-platform UIs provide you with the foundation for intuitive, beautiful user interfaces that wow on every platform: Windows, macOS, iOS, and Android. Design your master UI layout once, then easily customize platform- and device-specific views without duplication of design effort. Drag-and-drop visual and non-visual components from the palette using our visual designer. Visually connect user interface elements to data sources using the LiveBindings Designer. Real-time design validation using Live On-Device Preview to broadcast the active form to multiple devices simultaneously. Add responsive design with resolution-aware components for desktop, tablets, and smartphones. Real, platform-specific native controls for an improved user experience.

1 Rating

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C++Builder

Embarcadero

C++Builder is a fast, integrated design and development suite for modern apps. Are you ready to design the best UIs of your life? Our award winning VCL framework for Windows and FireMonkey (FMX) visual framework for cross-platform UIs provide you with the foundation for intuitive, beautiful user interfaces that wow on every platform: Windows, macOS, iOS, and Android. Design your master UI layout once, then easily customize platform- and device-specific views without duplication of design effort. Drag-and-drop visual and non-visual components from the palette using our visual designer. Visually connect user interface elements to data sources using the LiveBindings Designer. Real-time design validation using Live On-Device Preview to broadcast the active form to multiple devices simultaneously. Add responsive design with resolution-aware components for desktop, tablets, and smartphones. Real, platform-specific native controls for an improved user experience.

1 Rating

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DronaHQ

DronaHQ is a low-code platform to build internal tools and custom apps for the web and mobile. Developers and engineering teams use this platform to create admin panels, CRUD apps, GUI for Databases or APIs, forms, dashboards & operational apps. Key features include: - Customizable UI components - Mobile + Web app output - 10x faster app development - Seamless integration to any existing tech stack - Scalable cloud-based architecture - Over 50 Engineering Support Hours (UVP) - Free forever developer plans With 3000+ Apps built and 1 million+ users supported, DronaHQ is a platform trusted by global companies.

Starting Price: $0/month

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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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Guidebook

Guidebook is an event app platform that allows you to create mobile apps for in-person events, virtual events, or hybrid events. Spend less time creating an app and more time connecting with your community. Easily build an app with our intuitive drag-and-drop platform and reach your audience where they are – whether on mobile or web. Guidebook is simple, powerful, and intuitive. Build a native iOS or Android app and interactive web page in four easy steps with our world-class CMS. No technical skills required. Manage your content from wherever you are, whether that’s on your couch or in your office. Guidebook offers a full range of branding and customization options. From your own branded, standalone app to a customized Space in our container app, we’ve got you covered. Need more than mobile? Guidebook Web is the perfect complement for your mobile app.

Starting Price: $5/device (first 5 are free)

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PubNub

Innovate with Realtime Features: We take care of realtime communication infrastructure so you can focus on your app. Our Platform for Realtime Communication: A platform to build and operate real-time interactivity for web, mobile, AI/ML, IoT, and Edge computing applications Faster & Easier Deployments: SDK support for 50+ mobile, web, server, and IoT environments (PubNub and community supported) and more than 65 pre-built integrations with external and third-party APIs to give developers the features they need regardless of programming language or tech stack. Scalability: The industry’s most scalable platform capable of supporting millions of concurrent users and allows for rapid growth with low latency, high uptime, and without financial penalties. Security & Compliance: Enterprise-grade security and compliance with the most stringent regulations worldwide, including GDPR, SOC 2, HIPAA, ISO 27001, and CCPA.

Starting Price: $0

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Backendless

Backendless is a Visual App Development Platform (VADP) that combines API, user, and database management functionality with a user-friendly, web-based interface and UI Builder. Backendless offers the ability to send emails and push notifications and supports real-time chat and geolocation-based functionality. A Backendless application can be customized with manually written code or using our Codeless logic builder. The platform can be hosted on our cloud servers or installed and managed on your own private servers. The Backendless UI Builder allows you to build fully functional web and mobile apps. You can use the UI Builder, or Backendless works seamlessly with virtually any client-side environment, automatically morphing data to the proper format for the frontend operating system. A Backendless database can also be connected to external databases, allowing you to maintain existing data sources while also being able to manage those databases using Backendless' intuitive interface.

Starting Price: $15.00/month

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Ably

Ably is the definitive realtime experience platform. We power more WebSocket connections than any other pub/sub platform, serving over a billion devices monthly. Businesses like HubSpot, NASCAR and Webflow trust us to power their critical applications - reliably, securely and at serious scale. Ably’s products place composable realtime in the hands of developers. Simple APIs and SDKs for every tech stack, enable the creation of a host of live experiences - including chat, collaboration, notifications, broadcast and fan engagement. All powered by our scalable infrastructure.

Starting Price: $49.99/month

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Airbrake

Capture and track application exceptions in minutes with Airbrake, an error monitoring and detection solution. Fast and effective, Airbrake enables users to quickly identify, asses and resolve errors such as parameters, stacktraces, affected users, and more. Airbrake features detailed dashboards that tracks and manages errors with ease. Airbrake is also accessible via mobile devices with its mobile optimized web application.

Starting Price: $49.00/month

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Rethink Workflow

Rethink Workflow, Inc.

Rethink Workflow is a free, simple, powerful, and secure business process automation tool that allows NGOs, businesses, and enterprises to create forms and design workflows online.

Starting Price: $2.99/month/user

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Syncfusion Essential Studio

Syncfusion

Includes more than 1,600 components and frameworks for Windows Forms, WPF, ASP.NET (Web Forms, MVC, Core), UWP, WinUI, Xamarin, Flutter, JavaScript, Angular, Blazor, Vue and React. Includes top requested components such as charts, grids, schedulers, diagrams, maps, gauges, docking, ribbons, and many more! Working with the industry’s best and brightest minds to streamline your business. Includes more than 1,700 components and frameworks for major platforms. A wide range of product demos and training, including video tutorials, documentation, and KBs. Every control is fine-tuned to work with a high volume of data. Create powerful apps by viewing and editing Excel, PDF, Word, and PowerPoint files. Truly unlimited dedicated support system via the public forum, feature & feedback page, live chat, and support tickets. Easy integration of tools to blend Syncfusion controls with your project.

Starting Price: $495 one-time payment

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Compare the Top Free Application Development Software as of April 2025

What is Free Application Development Software?

Localazy

Weavy

Alpha Anywhere

Linx

Convertigo

Planview LeanKit

Jira

Buddy

Lucidchart

1C:Enterprise

Thinfinity Remote Desktop

AppSheet

Clappia

Neptune DXP

Felgo

AgilePoint NX

Thunkable

Protogrid

OutSystems

Delphi

C++Builder

DronaHQ

Betty Blocks

Guidebook

PubNub

Backendless

Ably

Airbrake

Rethink Workflow

Syncfusion Essential Studio

Best Free Application Development Software

Compare the Top Free Application Development Software as of April 2025

What is Free Application Development Software?

Localazy

Weavy

Alpha Anywhere

Linx

Convertigo

Planview LeanKit

Jira

Buddy

Lucidchart

1C:Enterprise

Thinfinity Remote Desktop

AppSheet

Clappia

Neptune DXP

Felgo

AgilePoint NX

Thunkable

Protogrid

OutSystems

Delphi

C++Builder

DronaHQ

Betty Blocks

Guidebook

PubNub

Backendless

Ably

Airbrake

Rethink Workflow

Syncfusion Essential Studio

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