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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Rayven

Rayven's a full-stack, no/low-code platform that lets anyone build powerful apps, AI tools, and automations - fast. It's simple, scalable, and works with your existing technologies. Start building on our free-forever plan using AI prompts, drag-and-drop tools, templates, or code (when you want) to: - Build apps + automations in minutes using templates or from scratch - Connect systems, unify data, and integrate AI into your workflows - Modernise processes without replacing legacy tech or adding risk - Enable IT, Developers, DevOps, Ops, and Product teams to work from the same platform Rayven is designed for developers and non-technical users alike; giving you the all-in-one, low-cost tool to get from idea to outcome, fast. Start for free at rayven.io

Starting Price: $0

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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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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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IntelliJ IDEA

JetBrains

IntelliJ IDEA is a JetBrains IDE for professional development in Java and Kotlin. It unlocks productive development and helps you write high-quality code with ease. Built to get the job done, it provides all of the essential tools and cutting-edge technology support you need. With a smooth, comfortable workflow and a strong focus on privacy and security, it lets you code with confidence and pleasure.

22 Ratings

Starting Price: $16.90 per user per month

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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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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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P4 Plan

Perforce

P4 Plan (formerly Hansoft) is a real-time planning and project management tool designed to enhance collaboration across teams, offering flexibility in managing projects through various development methodologies such as SAFe, Scrum, Kanban, and more. It allows teams to track work, time, and progress in real time, providing comprehensive visibility and advanced features like capacity planning and project history. The tool integrates with existing workflows and tools, such as P4 and Perforce ALM, for deeper traceability and smoother operations. With a user-friendly interface that adapts to individual team preferences, Helix Plan helps accelerate planning and decision-making, ensuring faster delivery and greater efficiency across development teams.

1 Rating

Starting Price: $28.00/month/user

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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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Red Hat OpenShift Dev Spaces

Red Hat

Built on the open Eclipse Che project, Red Hat OpenShift Dev Spaces uses Kubernetes and containers to provide any member of the development or IT team with a consistent, secure, and zero-configuration development environment. The experience is as fast and familiar as an integrated development environment on your laptop. OpenShift Dev Spaces is included with your OpenShift subscription and is available in the Operator Hub. It provides development teams a faster and more reliable foundation on which to work, and it gives operations centralized control and peace of mind. Get coding today with our free Developer Sandbox for Red Hat OpenShift, which includes OpenShift Dev Spaces to try out at no cost. Developers can focus more on coding, with their application and development environment containerized and running on OpenShift - all without needing to understand the details of Kubernetes. Administrators can easily manage and monitor workspaces as any other Kubernetes resource.

1 Rating

Starting Price: $30 per month

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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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JFrog Artifactory

JFrog

The Industry Standard Universal Binary Repository Manager. Supports all major package types (over 27 and growing) such as Maven, npm, Python, NuGet, Gradle, Go, and Helm including Kubernetes and Docker as well as integration with leading CI servers and DevOps tools that you already use. Additional functionalities include: - High Availability that scales to infinity with active/active clustering of your DevOps environment and scales as business grows - On-Prem, Cloud, Hybrid, or Multi-Cloud Solution - De Facto Kubernetes Registry managing application packages, operating system’s component dependencies, open source libraries, Docker containers, and Helm charts with full visibility of all dependencies. Compatible with a growing list of Kubernetes cluster providers.

1 Rating

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Bonita

Bonitasoft

Bonitasoft fully supports digital operations and modernization of information systems with Bonita, an open-source and extensible platform for automation and optimization of business processes. The Bonita platform accelerates development and production with a clear separation between capabilities for visual programming and those for coding. BPMN graphical notation, full extensibility, and reusable components allow smooth collaboration among the different profiles on the IT team, and with the business teams. Bonita integrates with existing information systems, orchestrates heterogeneous systems, and provides deep visibility across all enterprise processes. CIOs can ensure an incremental and controlled evolution of enterprise applications, systems, and business processes. Meet Bonita Process Insights, and get deep visibility into all processes automated with the Bonita platform. Align your processes with your business goals, and make data-driven decisions.

1 Rating

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MuleSoft Anypoint Platform

MuleSoft

Anypoint Platform by MuleSoft is a complete hybrid enterprise integration platform for SOA, SaaS, and APIs. With AnyPoint, developers can access a wide range of tools that enables them to design, build, and manage the entire lifecycle of their APIs, applications and products. Anypoint Platform is built with open technologies, with Mule as its core runtime engine.

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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CircleCI

Automate your development process with CI hosted in the cloud or on a private server. Take control of your code and manage every source of change. CircleCI means change validation, at every step. Trust that you can release updates right when your customers need them, with the certainty they’ll work every time. The power to create without limits. Code in every language and across multiple execution environments. If you can write it, we can build, test, and deploy it. With flexible environments and thousands of pre-built integrations, your pipelines never limit the possibility of what you can deliver. We’re the only CI/CD platform that’s FedRAMP certified and SOC 2 Type II compliant. Built-in features like audit logs, OpenID Connect, third-party secrets management, and LDAP give you complete control of your code.

2 Ratings

Starting Price: $50 per month

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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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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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Appsmith

Appsmith is an open-source low-code platform designed to help businesses rapidly build custom internal tools and applications. With a drag-and-drop interface and extensive integration capabilities, Appsmith simplifies the development of dashboards, admin panels, and CRUD applications. Developers can also customize functionality using JavaScript, while seamless integration with databases and APIs makes it highly versatile. It supports self-hosting and enterprise-grade security features such as role-based access controls, audit logging, and SOC 2 compliance, making it suitable for organizations of all sizes. Appsmith's AI-powered agent platform enables businesses to build custom conversational agents tailored to their specific needs. These agents can be embedded into various business workflows, enhancing support, sales, and customer success teams. By leveraging data-driven AI, the platform automates tasks and scales operations efficiently.

Starting Price: $0.4/hour/user

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VIKTOR

Build and distribute any web application you can imagine. VIKTOR is the development platform for the engineering and construction industry. Empower your organisation to build and distribute scalable applications. Enter into a new era in engineering. Use our digital building blocks to rapidly create professional web-based applications and share them with everyone you want. VIKTOR is the most used application development platform in the engineering and construction industry. It enables engineers to quickly build their own software solutions and share them with everyone. Engineers and other domain experts know your business best. Create an agile organization by empowering them to adopt new technologies and rapidly create, test, distribute, and scale new software solutions according to their needs. This results in better solutions, high adoption rates, and lower development costs.

Starting Price: 0/per month/user

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Telepresence

Ambassador Labs

Telepresence streamlines your local development process, enabling immediate feedback. You can launch your local environment on your laptop, equipped with your preferred tools, while Telepresence seamlessly connects them to the microservices and test databases they rely on. It simplifies and expedites collaborative development, debugging, and testing within Kubernetes environments by establishing a seamless connection between your local machine and shared remote Kubernetes clusters. Why Telepresence: Faster feedback loops: Spend less time building, containerizing, and deploying code. Get immediate feedback on code changes by running your service in the cloud from your local machine. Shift testing left: Create a remote-to-local debugging experience. Catch bugs pre-production without the configuration headache of remote debugging. Deliver better, faster user experience: Get new features and applications into the hands of users faster and more frequently.

Starting Price: Free

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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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Relution

Manage iOS, Android, and Windows 10/11 devices. Secure via restrictions and configurations. Use Apple DEP & VPP, Android Enterprise & Samsung Knox. Inventory and manage native and public Apple, Android, and Windows mobile apps. Review, approve, and publish apps for usage on mobile devices. Enable employees, partners, and external stakeholders to access your enterprise apps through your own app store in your corporate identity. Manage your Apple iOS and Android tablets easily and securely and deploy the right apps in your school. Companies, Authorities and Teams of every size benefit from Relution's Mobile Device and App Management. Resellers, Educational Institutions and IT Retailers use Relution to provide the service to their customers. Relution is one of the most relevant IT applications in the digital education space. For over 10 years, Relution has been the mobile device management solution for privacy-compliant and cross-platform device management.

Starting Price: $2 per month

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Xojo

The object-oriented Xojo programming language and cross-platform rapid application development tool let you develop native applications for macOS, Windows, Linux, the web, iOS and Raspberry Pi. User interfaces are quickly and intuitively made with drag and drop and the modern framework supports features like graphics, database servers and internet protocols. Xojo abstracts you from the platform details allowing you to focus your time and energy on what makes your app unique. Xojo is free to use for learning and development.

Starting Price: $99.00/user

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Proxyman

Proxyman LLC

## Features * 🍏 **macOS-optimized:** Crafted with Swift and Objective-C, leveraging Apple SwiftNIO for high-performance networking. * 🖥️ **Apple Silicon ready:** Full compatibility with M1, M2, and M3 chips. * 🚀 **Modern OS support:** Designed for macOS Ventura and Sonoma. * 🌐 **Seamless traffic interception:** Effortlessly capture HTTP/HTTPS and WebSocket data from browsers, iOS, and Android. * 🎨 **User-friendly interface:** Sleek and intuitive design for ease of use. * 🔎 **Advanced filtering:** Multiple options for precise data analysis. * 📱 **Cross-platform setup:** Detailed guides for iOS simulator and physical iOS/Android devices. * 🛠️ **Essential debugging toolkit:** Compose, Repeat, Wildcard/Regex Filtering, Column Customization, and more. * 🔧 **Pro-level features:** Breakpoints, Local/Remote Mapping, Blacklisting. ...

Starting Price: 69$

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PHP Tools

DEVSENSE

PHP development environment. Turn Visual Studio into a powerful PHP development environment. The PHP Editor colorizes your code according to Visual Studio settings, giving you a better overview in the colors you are used to. The colors respect Visual Studio conventions with support for dark, light and 3rd party themes. Detect type mismatches, typos, missing function parameters, unknown classes and functions as you type. Code analysis periodically checks your code for various issues and underlines them immediately. This avoids having to handle most of the issues in run-time. The IntelliSense feature provides you with smart, context-aware code completions, detailed tool tips and function parameter assistance. The feature contains a complete PHP manual, learns from your code and performs type analysis. Its purpose is to minimize the amount of key presses you have to do.

Starting Price: $59/year/user

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Jmix

Haulmont Technology

Discover a rapid application development platform that supercharges your digital initiatives without low-code limitations, vendor dependency, and usage-based fees. Jmix general purpose open architecture based on a future-proof technology stack is capable to support various digital initiatives across the organization. Jmix applications are indeed yours and can be supported independently thanks to open-source runtime utilizing mainstream technologies. Your data is secure with a server-side frontend development model and fine-grained access control. Any Java or Kotlin developer is a full-stack Jmix developer - you don’t need separate backend and frontend teams. Visual tools help onboard developers who have little experience or move from an obsolete stack. Jmix’s data-centric approach and single development language make it a natural fit to migrate legacy applications. Jmix supercharges your team with high-productivity tools and ready-to-use components.

Starting Price: $45 per month

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Compare the Top Free Application Development Software as of May 2025

What is Free Application Development Software?

Localazy

Rayven

Convertigo

Buddy

IntelliJ IDEA

1C:Enterprise

Thinfinity Remote Desktop

Neptune DXP

P4 Plan

Felgo

Red Hat OpenShift Dev Spaces

Ambassador

JFrog Artifactory

Bonita

MuleSoft Anypoint Platform

Delphi

C++Builder

CircleCI

DronaHQ

Betty Blocks

Backendless

Appsmith

VIKTOR

Telepresence

Rethink Workflow

Relution

Xojo

Proxyman

PHP Tools

Jmix

Best Free Application Development Software

Compare the Top Free Application Development Software as of May 2025

What is Free Application Development Software?

Localazy

Rayven

Convertigo

Buddy

IntelliJ IDEA

1C:Enterprise

Thinfinity Remote Desktop

Neptune DXP

P4 Plan

Felgo

Red Hat OpenShift Dev Spaces

Ambassador

JFrog Artifactory

Bonita

MuleSoft Anypoint Platform

Delphi

C++Builder

CircleCI

DronaHQ

Betty Blocks

Backendless

Appsmith

VIKTOR

Telepresence

Rethink Workflow

Relution

Xojo

Proxyman

PHP Tools

Jmix

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