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Top Rated App Building Software with Open source - Page 8

Last updated: October 2026

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421 software options

Kalipso Studio logo

Low-code mobile app generator for Android, iOS, and Windows.

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With no developer knowledge needed and a common design platform for Windows, Android, and iOS, Kalipso Studio is a low-code platform that can drastically reduce a user's project development costs and time.

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Appery.io logo

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Fieldproxy logo

Field Service Management

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One field service platform for jobs, dispatch, technicians, quotes and invoices, configured to your process, with AI agents.

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Backendless logo

Visual app development platform & codeless backend database.

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Backendless is a Visual App Development Platform (VADP) that combines application programming interface (API), database, and user management features with a cloud-based interface and user interface (UI) Builder.

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Oracle APEX logo

Low-code platform for your next development project

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Oracle APEX provides you with all the tools you need to build apps in a single, extensible platform, which runs as a part of Oracle Database.

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Render logo

Unified cloud platform to build and scale applications

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Render is a unified cloud platform that enables developers to build and run all applications and websites. It offers features like TLS certificates, a global CDN, private networks, and automatic deployments from Git, allowing developers to focus on building products.

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Triggre logo

Build business applications in hours, without programming.

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Triggre is a no-code development platform that helps organizations build powerful business applications without any programming knowledge.

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Directus logo

An Open Data Platform for managing headless content.

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Directus is an open-source headless content management system (CMS) that helps businesses store content in custom SQL databases and access them through an API. Using the Directus App, supervisors can sort items into several categories and customize the platform according to brand requirements.

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Flowable logo

Process Orchestration & Automation with AgenticAI

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Build powerful, process-driven apps fast. Flowable lets you design, deploy, and run apps with dynamic forms, workflows, and case logic, all in one platform. Empower both IT and business users to turn ideas into real, working solutions.

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Knack logo

The most secure app and database builder for businesses.

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Knack gives you simple tools to transform your data into a powerful online database.

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Daxium-Air logo

The all-in-one solution for custom app building

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Daxium-Air is a no-code platform that enables users to create customized web and mobile applications without coding. It allows teams to collect, share, and compile field data, automate processes, and manage client interactions. Daxium-Air offers personalized web and mobile solutions, real-time dashboards, automated reports, and the ability to track field teams and consolidate data with existing systems.

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Appy Pie logo

Cloud-based no-code AI app builder for all businesses

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Appy Pie is a cloud-based, no-code AI platform for building native iOS/Android apps, websites, and automated workflows from text.

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MyEclipse logo

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Orda logo

Wow your customers with a mobile ordering app.

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All you need for your brand's digital ordering, including mobile and online ordering, loyalty, marketing, and self-ordering kiosks.

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Convertigo logo

Low code platform that limits the vendor lock-In effect

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Convertigo is a low code platform that limits the vendor lock-In effect. The cloud-based, on-premise and open-source system supports the reversibility of generated UI code.

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Composer 2 logo

Visual enterprise-grade low code mobile app builder

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Build enterprise-grade business applications that work in the field where connectivity is poor.

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Sofy logo

The modern no-code testing platform for engineers

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Sofy is a no-code test automation platform that uses AI powered testing to enable “create once and run anywhere” tests without a single line of code. Using our library of real devices, run manual, automated and exploratory tests, and release great apps.

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Bonita BPM logo

Business process automation platform

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Build process applications where the visual editor and the code live in one project. Model in BPMN, assemble the screens in the UI Designer, and extend in code where you need to. From Ofelia, formerly Bonitasoft.

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FAT FINGER logo

Cloud-based environmental health and safety (EHS) solution

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FAT FINGER mobile forms provide automation to Inspections, Safety, Maintenance, Production, ISO, Quality, Field Tickets & Inspections.

FREE trial at www.fatfinger.io

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Deskree logo

Backend development engine

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Deskree is a backend development engine enabling users to swiftly create enterprise-level APIs, databases, authentication, and integrations without back-end or DevOps skills. In three steps—project creation, database and permissions setup, and front-end connection—users can deploy projects. It offers storage, global deployment, analytics, data import/export, auto-generated API docs, configurable permissions, and workflow automation.

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jetveo logo

Low-code development software

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Low-code development software for real developers. Jetveo is the best of both worlds, incorporating the positives and mitigating the negatives.

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Thunkable logo

Cloud-based no-code mobile app builder for all

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Cloud-based, no-code platform for building and publishing native iOS, Android, and web apps using AI-assisted drag-and-drop tools.

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FormAssembly logo

Forms in a Flash. Secure data collection made simple.

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FormAssembly is an easy-to-use, powerful web form and data collection platform. We help organizations get rid of inefficient data collection methods, streamline and connect their data with smart integrations, and reduce reliance on IT and development services.

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SiteGround logo

Web hosting & beyond ▍Build, host, grow your online presence

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SiteGround helps the owners of over 3 million domains build, manage, and grow online. With more than 20 years of experience, it has evolved from an independent web hosting company into a platform offering hosting, website, marketing, and AI-powered solutions.

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GeneXus logo

GeneXus: the best Low-Code Platform that you don't know yet

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GeneXus is the best Low-Code Platform that you don't know yet. It's a Software Development Platform that simplifies and automates the tasks of creating and evolving enterprise applications and multi-channel user-experiences.

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