Top 5 Low-Code UI Builders in 2025

As teams and companies turn to agile solutions for building sophisticated applications, low-code UI builders are becoming the go-to tools for faster, more accessible software development.

These platforms allow users to create interactive, functional user interfaces (UI) with minimal or no coding, making them ideal for both technical and non-technical teams.

Let's highlight the top five low-code UI builders to consider in 2025.

UI Bakery

UI Bakery has positioned itself as a favorite in the low-code market for its user-friendly interface and strong back-end integrations. Being a strong competitor to Retool and Superblocks, UI Bakery is chosen by individuals, small teams, and large enterprises for its clean, drag-and-drop editor and extensive customization capabilities. UI Bakery allows teams to build professional-grade UIs that can connect seamlessly with databases and APIs, making it particularly useful for internal tools and admin dashboards.

Features:

• Customizable widgets: Offers a wide range of ready-to-use widgets that you can customize in-depth based on the company's branding
• Quick project kick-off: UI Bakery offers over 80 UI elements and templates for almost any case for quicker project kick-off.
• Data integration: The tool easily integrates with SQL, REST API, and many third-party applications, making data management easier.
• Role-based access control: Ensures security by allowing teams to set user roles and permissions.
• Responsive design: Automatically adapts layouts for different screen sizes.
• Custom code: UI Bakery makes it easy for tech users to write custom logic for more complex applications.

UI Bakery is especially popular for internal business applications, such as customer portals and inventory management systems, where teams need quick deployment and robust data integration.

Retool

‍Retool has long been a standout choice for those looking to create complex internal tools with a low-code approach and is a strong UI Bakery competitor. Chosen for its extensive third-party integrations and developer-friendly features, Retool allows you to easily connect with databases, REST APIs, and other external data sources.

Features:

• Custom JavaScript support: Retool allows advanced users to write and inject custom code for highly tailored solutions.
• Data source integration: The platform connects to extensive data sources like PostgreSQL, MongoDB, and Firebase.
• Reusable components: Retool offers a vast range of prebuilt components that can be customized and reused.
• Audit logs: The tool ensures compliance with enterprise requirements through activity tracking and role-based permissions.

Retool is widely used in enterprise environments where security and compliance are priorities, making it ideal for operational dashboards and data analytics interfaces.

Bubble

‍Bubble, like UI Bakery, remains one of the key choices for teams looking to build web applications without touching a single line of code. Offering a visual editor and intuitive workflows, Bubble enables both beginners and seasoned developers to build complex applications, including SaaS products and marketplaces, in less time than traditional development.

Features:

• Workflow automation: Bubble allows users to define workflows and automate application processes.
• Responsive design tools: The tool makes final applications look great across devices with its responsive editor.
• Plug-in ecosystem: Bubble's plugin marketplace adds significant flexibility, allowing users to extend functionality.
• Database management: The platform has a built-in database feature allowing for easy management of data with no need for third-party services.

Bubble is an ideal choice for startups and individual creators who need to build web applications, from MVPs to full-fledged SaaS products.

OutSystems

‍OutSystems remains a powerful choice for enterprise-grade application development, with its focus on scalability and complex workflows. It's known for handling high-demand applications across industries, making it a key player among enterprises seeking digital transformation.

Features:

• AI-powered development: Like UI Bakery, OutSystems uses AI to assist in workflow automation, code generation, and app optimization.
• Full lifecycle support: The tool can handle the entire lifecycle from development to deployment, ensuring faster time-to-market.
• Enterprise-grade security: OutSystems was built with strong security standards that are suitable for compliance-heavy sectors.
• Integration with DevOps: The platform supports a range of integrations, including CI/CD pipelines, allowing agile and DevOps teams to deploy efficiently.

OutSystems is often utilized by large organizations in need of complex, scalable applications with rigorous security requirements, such as in banking and healthcare.

Mendix

‍Mendix is a low-code platform developed for teams and organizations looking to allow both developers and companies to work together on application development. Favored by its versatility and rapid prototyping, Mendix supports web and mobile application development in equal measure.

Features:

• Visual logic building: Mendix uses visual workflows, so it is pretty accessible for non-tech users while still offering deep customization opportunities.
• Integration with IoT: The platform allows companies to build applications that use IoT data.
• Collaboration tools: Mendix is known for its rich set of collaboration tools that help bridge the gap between users and IT teams.
• Multichannel deployment: The tool supports deploying apps to mobile, web, and other digital touchpoints effortlessly.

Mendix will best suit highly industries like manufacturing and logistics, where IoT integration and rapid prototyping are essential to innovation.

Conclusion

The rise of low-code UI builders continues to reshape software development, enabling both technical and non-technical users to create powerful applications with minimal coding. Whether you're an enterprise looking for scalable solutions (like OutSystems and Mendix) or a startup aiming to build an MVP quickly (like Bubble), there's a platform for every need in 2025.