OutSystems Alternatives
A curated collection of the 3 best alternatives to OutSystems.
The best alternative to OutSystems is ToolJet. If that doesn't suit you, we've compiled a ranked list of other open source OutSystems alternatives to help you find a suitable replacement. Other interesting alternatives to OutSystems are: Refine and NocoBase.
OutSystems alternatives are mainly Developer Tools but may also be No-code Builders or Dashboard Builders. Browse these if you want a narrower list of alternatives or looking for a specific functionality of OutSystems.
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface

ToolJet is a powerful open-source low-code platform designed to revolutionize the way businesses create internal tools. With its intuitive drag-and-drop interface, ToolJet enables teams to rapidly build custom applications, dashboards, and admin panels without extensive coding knowledge.
Key benefits of ToolJet include:
- Rapid Development: Create functional applications in minutes, not months, accelerating your project timelines.
- Customization: Tailor your tools to fit your exact needs with a wide range of pre-built components and integrations.
- Data Integration: Connect to various data sources, including databases, APIs, and cloud services, to create data-driven applications.
- Collaboration: Foster teamwork with built-in version control and the ability to share and iterate on projects.
- Cost-Effective: Reduce development costs and reliance on external vendors by empowering your team to create internal tools.
- Scalability: Build applications that can grow with your business, from simple forms to complex multi-page tools.
- Security: Ensure data protection with role-based access control and the option for self-hosting.
ToolJet's versatility makes it ideal for startups, SMEs, and enterprises alike, enabling teams across various departments to create the tools they need to optimize their workflows and boost productivity.
Looking for alternatives to other popular services? Check out other posts in the alternatives series and wtcraft.com, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Build flexible React-based internal tools, admin panels, and dashboards with pre-built components and data integrations.

Refine is an open-source React framework designed to accelerate the development of internal tools, admin panels, dashboards and B2B applications. It offers a sweet spot between low-code and full-code solutions, providing developers with the flexibility to create complex applications while automating repetitive tasks.
Key features of Refine include:
- Pre-built UI components: Tables, lists, charts, forms, and more, ready to use out of the box.
- Data integration: Seamless connectivity with 15+ services including REST APIs, GraphQL, and popular backend-as-a-service platforms.
- Authentication and authorization: Built-in support for various auth providers and access control models (ACL, RBAC, ABAC).
- Customization: 100% React-based architecture allows for complete control and customization of your project.
- Enterprise-ready: Self-hosting options, fine-grained access control, and support for major identity providers make Refine suitable for large organizations.
Refine stands out by offering:
- Rapid development: Start with well-structured boilerplates and leverage pre-built components to quickly create functional applications.
- Scalability: Unlike drag-and-drop tools that struggle with complexity, Refine maintains its efficiency as your project grows.
- Flexibility: Choose from multiple UI frameworks (Ant Design, Material UI, Mantine, etc.) and easily integrate with your preferred tech stack.
- Open-source advantage: Benefit from a large, active community and avoid vendor lock-in associated with proprietary solutions.
Whether you're building a CRM, e-commerce platform, or any other data-intensive internal application, Refine provides the tools and structure to streamline your development process while maintaining the power of full-code solutions.
Open-source no-code platform for creating tailored business applications quickly, with full customization and easy deployment options.

NocoBase is a powerful open-source no-code platform that revolutionizes the way businesses create and deploy custom applications. With its intuitive interface and flexible architecture, NocoBase enables users to build sophisticated, tailored solutions without writing a single line of code.
Key benefits of NocoBase include:
- Rapid Development: Create fully functional applications in hours or days, not weeks or months.
- Ultimate Flexibility: Customize every aspect of your app, from data models to user interfaces and workflows.
- Scalability: Start small and grow your application as your business needs evolve.
- Open-Source Advantage: Benefit from a transparent, community-driven development process and avoid vendor lock-in.
- Self-Hosted or Cloud: Choose between self-hosted deployment for maximum control or cloud-hosted for convenience.
- Extensibility: Leverage a plugin system to add new features and integrate with external services easily.
- Multi-language Support: Build applications that cater to a global audience with built-in internationalization.
- Role-Based Access Control: Ensure data security and privacy with granular permission settings.
NocoBase combines the speed of no-code development with the power of professional software engineering, making it an ideal solution for businesses of all sizes looking to digitize their operations efficiently.
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