4 Best Open Source Power Apps Alternatives
A curated collection of the 4 best open source and self-hosted alternatives to Power Apps in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Power Apps in 2026? The top open-source alternative is Flowise AI — Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG..
Other highly rated open-source Power Apps alternatives include AppSmith, Budibase and NocoBase.
Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.
Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.
Open-source low-code app builder
Appsmith is an open-source low-code platform that enables developers and teams to build custom internal tools, dashboards, and admin panels rapidly. Instead of coding every UI component from scratch, Appsmith provides a visual drag-and-drop interface to connect to databases, APIs, and services, reducing development time by up to 90%. - Drag-and-drop UI builder: Create interfaces without writing frontend code. - Database & API integrations: Connect to PostgreSQL, MySQL, MongoDB, REST APIs, GraphQL, and more. - Pre-built widgets: Use tables, forms, charts, and buttons out of the box. - Self-hosting: Deploy on-premises or in your cloud for full data control. - Role-based access control: Securely manage user permissions and access. - Version control integration: Works with Git for collaborative development. - Extensible with plugins: Add custom JavaScript or React components. - Enterprise-ready: Supports SSO, audit logs, and compliance features. Appsmith is open-source and can be self-hosted on any infrastructure. It supports Docker, Kubernetes, and cloud deployments. The platform is built with Java and TypeScript, and the source code is available on GitHub.
Low-code platform for internal tools and AI agents
Budibase is a low-code platform designed to help businesses build internal tools, automate workflows, and deploy AI agents quickly. It connects to databases, APIs, and business systems, enabling teams to streamline operations without extensive coding. - AI Agents: Deploy AI-powered assistants to handle employee queries and automate tasks across multiple channels. - Internal Apps: Create custom internal tools for teams to manage processes, track work, and improve productivity. - Automations: Automate approvals, routing, notifications, and operational workflows with minimal setup. - Data Integration: Connect to databases, spreadsheets, and business systems like Salesforce, GitHub, and Notion. - API Explorer: Build, test, and manage APIs directly within the platform. - Enterprise-Grade Security: Features like audit logs, role-based access control, and compliance with industry standards. - Self-Hosting: Deploy on-premises or in your preferred cloud environment for full data control. - Collaboration Tools: Share apps, automate workflows, and collaborate across teams with built-in tools. Budibase supports self-hosting on various platforms, including Docker, Kubernetes, and cloud providers. It is built with Node.js and offers flexibility for deployment in environments that prioritize data privacy and security. The platform is designed to be scalable, making it suitable for businesses of all sizes, from SMEs to large enterprises. For developers, Budibase provides an open-source core with extensive customization options, while enterprises can leverage advanced features and dedicated support.
Open-source AI + no-code business system builder
NocoBase is an open-source AI-driven no-code and low-code development platform designed for rapid business system deployment. Instead of building from scratch, AI works on top of production-proven infrastructure, combining speed with reliability through a WYSIWYG interface. - AI + No-Code Hybrid Approach: Build systems quickly with AI coding agents (Claude Code, Codex, Cursor) and refine using a visual no-code editor - AI Employees: Deploy AI-powered assistants to handle daily operations and workflows - Extensible Architecture: Modular design with blocks, actions, and data sources for customization - Permission Management: Granular access control and role-based permissions - Workflow Automation: Visual workflow builder for process automation - Multi-Source Data Integration: Connect to various databases and APIs - AI Blueprints: Pre-built templates for common business systems (CRM, HR, Project Management) - Self-Hosted Deployment: Full control over data with private, self-hosted instances - Multi-Language Support: Available in 10+ languages including English, Spanish, Portuguese, and Chinese NocoBase is built with Node.js and TypeScript, offering Docker containers for easy deployment. The platform supports PostgreSQL, MySQL, and SQLite databases. Self-hosting options include cloud providers, VPS, or on-premises servers. Comprehensive documentation and community support are available for setup and maintenance.
About Power Apps
Microsoft Power Apps is a low-code development platform designed to help businesses create custom applications without extensive coding. Powered by AI, it enables rapid prototyping, data modeling, and deployment across web and mobile devices.
Key Features of Power Apps
- AI-first development: Use natural language to define app requirements, generate data models, and build interfaces with AI assistance.
- Drag-and-drop interface: Create apps visually with pre-built components and templates.
- Enterprise governance: Deploy and manage apps at scale with built-in security, compliance, and operational controls.
- Integration with Microsoft 365: Embed apps within Microsoft 365 and leverage Copilot for contextual assistance.
- Multi-platform deployment: Publish apps across web, mobile, and desktop environments.
- Collaboration tools: Enable business users and developers to work together in a unified workspace.
- Data connectivity: Connect to hundreds of data sources and APIs for seamless integration.
- Automated workflows: Integrate with Power Automate to add automation and logic to applications.
Tech / Self-Hosting
Power Apps is a cloud-based platform hosted on Microsoft Azure. It does not support self-hosting but provides enterprise-grade security, compliance, and scalability through Microsoft Cloud. The platform is GDPR compliant and designed for enterprise use with robust governance features.