Top 15 Open-Source Low-Code Platforms Transforming Development in 2025
Open-source low-code platforms have become game-changers, empowering businesses and developers to create applications quickly without extensive coding. These platforms combine the power of custom development with the simplicity of no-code tools, making innovation accessible to all. Here’s a list of the top 15 open-source low-code platforms revolutionizing app development in 2025.
1. Budibase: Build Internal Tools Faster
Why Budibase Stands Out:
Budibase is a modern low-code platform designed for creating internal tools, offering a user-friendly interface and open-source flexibility.
Trending Features:
- Built-in automation workflows
- Integration with databases like PostgreSQL and MySQL
- Customizable templates
Best For: Startups and enterprises looking to optimize internal processes.
2. Appsmith: Open-Source Low-Code for Business Applications
What Makes Appsmith Popular:
Appsmith allows developers to build custom dashboards, CRMs, and admin panels with minimal effort.
Key Features:
- Drag-and-drop interface
- Real-time data sync
- Extensive API support
Best For: Developers creating scalable business applications.
3. ToolJet: The Best Low-Code Alternative for Teams
Why ToolJet is Trending:
ToolJet is an open-source platform offering flexibility to build apps and internal tools with ease.
Popular Features:
- Visual builder for UI components
- REST API and GraphQL support
- Multilingual interface
Best For: Teams focusing on cross-platform app development.
4. n8n: Workflow Automation for Developers
Why Developers Love n8n:
n8n provides open-source workflow automation, connecting applications and services seamlessly.
Key Advantages:
- Customizable workflows
- Integration with over 200 apps
- Community-driven plugins
Best For: Automating repetitive tasks in complex projects.
5. Joget: The Low-Code Leader for Enterprise Solutions
What Sets Joget Apart:
Joget focuses on enterprise-grade low-code development with process automation and app-building capabilities.
Trending Features:
- Visual drag-and-drop builder
- Workflow management tools
- Integration with enterprise systems
Best For: Large organizations automating business processes.
6. Retool: Low-Code Platform for Internal Tooling
Why Retool Excels in 2025:
Retool simplifies the development of internal tools by allowing easy integration with databases and APIs.
Trending Features:
- Customizable UI components
- One-click app deployment
- Real-time data binding
Best For: Building data-driven internal tools.
7. Directus: Open-Source Data Platform
Why Directus is a Must-Have:
Directus turns SQL databases into a powerful app-building platform with a low-code approach.
Key Features:
- API-driven development
- Customizable interfaces
- Role-based access control
Best For: Developers working with database-heavy projects.
8. Supabase: Open-Source Alternative to Firebase
What Makes Supabase Popular:
Supabase offers an open-source backend for building scalable applications quickly.
Top Features:
- Real-time database updates
- Authentication and API management
- Built-in storage for app assets
Best For: Developers looking for a Firebase alternative.
9. ProcessMaker: Workflow Automation Made Easy
Why ProcessMaker Stands Out:
ProcessMaker is an open-source platform specializing in workflow automation and BPM solutions.
Key Features:
- Drag-and-drop process designer
- Advanced reporting tools
- Integration with enterprise systems
Best For: Organizations automating complex workflows.
10. OutSystems: Low-Code Hybrid with Open-Source Roots
Why Choose OutSystems:
OutSystems combines low-code ease with open-source flexibility, making it suitable for enterprise-grade apps.
Trending Features:
- AI-assisted development
- Multi-device deployment
- Customizable templates
Best For: Enterprises needing scalable app development.
11. WeWeb: Open-Source Low-Code Platform for Web Apps
What Makes WeWeb Unique:
WeWeb focuses on building fast, responsive web apps using drag-and-drop tools.
Key Features:
- Customizable front-end interfaces
- API integrations
- SEO optimization tools
Best For: Developers creating high-performance web apps.
12. BaseRow: Open-Source Low-Code Database Builder
Why BaseRow is Trending:
BaseRow helps users manage data and build custom apps through a spreadsheet-like interface.
Key Advantages:
- Collaborative app creation
- Integration with popular tools
- Flexible deployment options
Best For: Teams managing data-driven projects.
13. Node-RED: Flow-Based Development for IoT
Why IoT Developers Choose Node-RED:
Node-RED offers a visual programming interface for creating IoT and automation workflows.
Key Features:
- Node-based flow editor
- Extensive library of integrations
- Real-time IoT data processing
Best For: Developers in the IoT space.
14. Saltcorn: All-in-One Open-Source Low-Code Platform
Why Saltcorn is Gaining Popularity:
Saltcorn allows users to create and deploy apps directly from their browser, with a focus on simplicity.
Trending Features:
- Drag-and-drop form builder
- Plugin ecosystem
- Built-in hosting options
Best For: Non-technical users building simple applications.
15. Kissflow: Workflow Automation for Modern Teams
What Makes Kissflow Stand Out:
Kissflow simplifies workflow management with its low-code app-building capabilities and user-friendly interface.
Key Features:
- Drag-and-drop workflow designer
- Integration with business tools
- Advanced analytics
Best For: Businesses focusing on team productivity.
Why Open-Source Low-Code Platforms Are Thriving in 2025
Open-source low-code platforms combine flexibility, scalability, and cost-effectiveness, making them ideal for businesses and developers. Key benefits include:
- Customization: Modify source code to meet specific needs.
- Community Support: Leverage a global network of developers.
- Cost Savings: Avoid expensive licensing fees.
Final Thoughts on Open-Source Low-Code Platforms
These top 15 open-source low-code platforms are revolutionizing how we approach app development, automation, and workflow management. Whether you’re a startup, a developer, or an enterprise, these tools offer the perfect balance of simplicity and power. Explore these platforms today and unlock new possibilities in software development!