Best Free Application Development Software

Google Cloud Platform

Google

Google Cloud Platform (GCP) offers a wide range of tools and services to support application development. These include powerful APIs, SDKs, and serverless offerings that help developers quickly build, deploy, and manage applications. With services like Firebase, App Engine, and Cloud Functions, GCP allows for rapid iteration, CI/CD integration, and auto-scaling applications based on demand. These services are backed by Google’s robust infrastructure, ensuring that applications run reliably even under heavy loads. Additionally, GCP provides extensive documentation and support for developers to streamline the development process. New customers also get $300 in free credits to run, test, and deploy workloads, helping teams get started and experiment with the platform’s capabilities with no upfront cost.

55,697 Ratings

Starting Price: Free ($300 in free credits)

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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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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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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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GitLab

GitLab is a complete DevOps platform. With GitLab, you get a complete CI/CD toolchain out-of-the-box. One interface. One conversation. One permission model. GitLab is a complete DevOps platform, delivered as a single application, fundamentally changing the way Development, Security, and Ops teams collaborate. GitLab helps teams accelerate software delivery from weeks to minutes, reduce development costs, and reduce the risk of application vulnerabilities while increasing developer productivity. Source code management enables coordination, sharing and collaboration across the entire software development team. Track and merge branches, audit changes and enable concurrent work, to accelerate software delivery. Review code, discuss changes, share knowledge, and identify defects in code among distributed teams via asynchronous review and commenting. Automate, track and report code reviews.

14 Ratings

Starting Price: $29 per user per month

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Unleash

Bricks Software AS

Unleash is an open-source feature management software, built with large enterprises in mind. It's private, secure, scalable, and ready for the most complex setups out-of-the-box. Move from all-or-nothing releases to safe and frequent deployments Instead of perfecting a merge and fixing bugs when a set of features go live, you can release individual changes to your users, then immediately roll them back if something goes wrong. Scale your software and infrastructure at your own pace Reduce the complexity of feature flag management and tracking through a simple, user-friendly dashboard. Keep your user data to yourself. Full stop. Unleash offers private instances as part of its SaaS package. With assets like its proxy and Edge offerings, SaaS Unleash user data remains entirely with the customer. Significantly cut costs and reduce the drain on resources Reduce a significant amount of administrative costs, technical debt and helps you focus on the feature flags' benefits.

5 Ratings

Starting Price: $0

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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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Quixxi

Quixxi Security

Quixxi is a leading provider of mobile app security solutions that empowers enterprises and security professionals to secure their mobile applications. Quixxi is proud to be the only provider of a patented and proprietary mobile app security solution. Our services includes SCAN, SHIELD, and SUPERVISE. SCAN (SAST/DAST/WebAPI) is a comprehensive application vulnerability assessment tool that automates and integrates with the development process, providing full explanations and recommendations to identify and fix vulnerabilities. SHIELD (RASP), on the other hand, is an application shielding tool that provides baseline security controls to protect the intellectual property in mobile apps and shield them against malicious attacks by third parties with one click. SUPERVISE is a runtime application monitoring tool that enables remote disabling, messaging, security logs, and customer analytics for better app management.

2 Ratings

Starting Price: $29 for One-Off plan

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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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SpreadsheetWeb

Pagos

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

2 Ratings

Starting Price: $30.00/month

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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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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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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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Rollbar

Discover, predict, and resolve errors in real-time. Go beyond crash reporting, error tracking, logging and error monitoring. Get instant and accurate alerts — plus a real-time feed — of all errors, including unhandled exceptions. Our automation-grade grouping uses machine learning to reduce noise and gives you error signals you can trust.

Starting Price: $19.00/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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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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Knack

Knack is the most easy-to-use Application builder, designed for the non-developer business owner leader. Using the drag-and-drop feature, users can create intuitive apps for CRM/Lead Manager, Membership Directory, Project Manager, Inventory Manager, Quote/Order Manager or HIPAA compliant app. Existing users rave about how easy it was to take their entire app on the go, using an iOS or Android device. Larger teams with multiple admin users can also work more efficiently with the use of the collaboration function, which includes whiteboards, and tag & search tools. Finally, use the automated analytics report dashboard to monitor application usage and how your customers or staff interacts with it.

Starting Price: $39.00/month

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GoCD

ThoughtWorks

Easily model and visualize complex workflows with GoCD. GoCD’s value stream map shows your entire path to production in a single view. Easily navigate across jobs, spot inefficiencies, and optimize your process. No plugin required, out of box CD. GoCD streamlines your CD workflow on popular cloud environments such as Kubernetes, Docker, AWS and more. GoCD excels at modeling complex CD workflows for fast feedback with its modeling constructs, parallel execution and dependency management. GoCD helps you troubleshoot a broken pipeline by tracking every change from commit to deploy in real time. Compare content - both files and commit messages - across any two arbitrary builds. GoCD integrates with many popular external tools and services via its extensible plugin architecture. We have put a lot of thought into making sure GoCD upgrades are painless and non-breaking even when you are using plugins. There are numerous high-quality, curated plugins currently available.

Starting Price: Free

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Split

Harness

In a world where product development teams are pressured to do more with less, Split’s Feature Data Platform™ gives you the confidence to move fast without breaking things. Set up feature flags and safely deploy to production, controlling who sees which features and when. Connect every flag to contextual data, so you know if your features are making things better or worse, and act without hesitation. Effortlessly conduct feature experiments like A/B tests without slowing down. Split is a feature management platform that takes the extra step with experts to support you, online courses to help you learn as you go, and a developer-oriented culture that puts our customers at the center. Whether you’re looking to increase your releases, to decrease your MTTR, or to ignite your dev team without burning them out–Change the way the work gets done with Split. Switch on a free account today, schedule a demo to learn more, or contact us for further questions.

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Conholdate.Total for Java

Conholdate

Conholdate.Total for Java includes all file format Java APIs as a single suite that are offered by Aspose & GroupDocs. It enables software developers to build an incredibly versatile file processing system capable of handling many popular file formats and performs a wide range of document handling operations from within their own Java (J2SE, J2EE, J2ME) applications. It fully supports features like creating, modifying, printing, displaying, viewing, annotating, comparing, automating, searching & converting between a wide range of popular document formats. Conholdate.Total for Java is built using managed code that does not need Microsoft Office or any other tool in order to work with any of the supported file formats. It is a perfect Microsoft Office automation alternative in terms of supported features, security, stability, scalability, speed and price. It is a perfect Microsoft Office automation alternative in terms of supported features, security, stability, scalability and speed.

Starting Price: from US$ 4,999

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Hypi

Hypi is a no-code and low-code web and mobile app development platform. The platform is simple enough for a non-technical user to build and launch applications but its underlying API is flexible enough for developers to customise any aspect. Deliver solutions 10x faster and scale on demand. The product is used by small startups and global enterprises alike who can choose the convenient cloud option or simple on-premise deployment. Access pre-made templates and smart suggestions, all from the marketplace. Creating screens doesn't mean building every single one from scratch. Link screen designs to your user stories. It keeps you on track with your goals, in line with your user’s needs. Control the visual consistency without manually editing every screen. Your design system perfected the way you envision it. Extend the editor with personal or external widgets. Anything to make your job easier.

Starting Price: £14.99 per month

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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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Genatron

Red Axle

Streamline the app-building process for admin panels and internal business tools with Genatron, an expertly trained AI model that transforms requirements into fully functional applications in record time. Say goodbye to the traditional "build vs. buy" dilemma. Genatron empowers you to create sophisticated applications effortlessly—no coding knowledge required. From record management and reporting to dashboards with advanced metrics and charts, Genatron integrates seamlessly with your organization, complete with role-based access controls (RBAC) and robust security features. Unlike traditional platforms, Genatron requires no subscriptions. Pay a one-time price for exactly what you need—nothing more, nothing less. Designed for flexibility, Genatron ensures your applications evolve with your needs. It safely migrates existing data for new versions, enabling continuous updates without disruption. Eliminate build vs buy questions.

Starting Price: $599 (free evaluation)

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Fanout Cloud

Fastly

Use our global network and cloud tools to power your real-time API. You build the endpoints, we’ll make them glow. Keep your existing web stack and let the Fanout Cloud manage persistent client connections. All you have to do is notify us when there is data to send. Scalable — push to a thousand clients or to a million; Fanout's network can handle it. You've got your hands full scaling every other aspect of your application. Let us take this one. Invisible — Use custom domains and data formats or migrate an existing real-time API to the cloud without breaking any of your clients. You own your API. Rest easy with our business-grade SLA, included in all paid accounts. All accounts, including the hacker tier, benefit from SSL by default. A big spike in traffic should be a good thing – not ruin your month. Usage-based pricing without hard limits. We charge by messages and connected client time (not concurrent connections) so you can accurately predict your costs.

Starting Price: $25 per month

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Compare the Top Free Application Development Software as of April 2025

What is Free Application Development Software?

Google Cloud Platform

Localazy

Weavy

Alpha Anywhere

Qorus Integration Engine

DHTMLX

Convertigo

GitLab

Unleash

Thinfinity Remote Desktop

Quixxi

Clappia

SpreadsheetWeb

Neptune DXP

AgilePoint NX

Bugfender

Thunkable

Ambassador

Rollbar

Betty Blocks

PubNub

Backendless

Knack

GoCD

Split

Conholdate.Total for Java

Hypi

Jmix

Genatron

Fanout Cloud

Best Free Application Development Software

Compare the Top Free Application Development Software as of April 2025

What is Free Application Development Software?

Google Cloud Platform

Localazy

Weavy

Alpha Anywhere

Qorus Integration Engine

DHTMLX

Convertigo

GitLab

Unleash

Thinfinity Remote Desktop

Quixxi

Clappia

SpreadsheetWeb

Neptune DXP

AgilePoint NX

Bugfender

Thunkable

Ambassador

Rollbar

Betty Blocks

PubNub

Backendless

Knack

GoCD

Split

Conholdate.Total for Java

Hypi

Jmix

Genatron

Fanout Cloud

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