--- title: "GoodBarber Open: unlimited customization to develop your app's full potential - App Extension" canonical_url: "https://www.goodbarber.com/extensions/usecases/goodbarber-open-custom-code/" lang: en --- # GoodBarber Open: unlimited customization to develop your app's full potential - App Extension ![](https://portalresize.ww-cdn.com/beautifull_pict/v1/635x906/50x50/6/92/img/1709030438384_31/opengb2.jpg)![](https://portalresize.ww-cdn.com/beautifull_pict/v1/635x964/50x50/6/92/img/1709030438384_31/opengb2.jpg)![](https://portalresize.ww-cdn.com/beautifull_pict/v1/635x426/50x50/6/92/img/1709030438384_31/opengb2.jpg) ![](https://portal.ww-cdn.com/portal_static/svg/fapro/solid/chevron-left.b01b099e1b4e.svg)[Other extensions](https://www.goodbarber.com/extensions/) GoodBarber Open: unlimited customization to develop your app's full potential From user interface customization to advanced feature integration, discover how each Custom Code extension can transform your application. GoodBarber Open is aimed at developers and expert users who want to make the most of GoodBarber's capabilities. By offering a diverse set of extensions, GoodBarber Open enriches our no-code solution, enabling advanced customization and the addition of specific features that meet the unique needs of each mobile application project. This article is aimed at you, expert users and developers, who have the technical knowledge to take advantage of these extensions. With GoodBarber Open, you have the opportunity to go beyond the basic options, integrating customized elements and optimizing your application to meet your expectations and those of your users. Whether you want to enhance the user interface or integrate complex functionality, GoodBarber Open gives you the tools you need to turn your vision into reality. Discover how the GoodBarber Open package can help you further customize your projects and develop applications that stand out for their quality and functionality. ![](https://portalresize.ww-cdn.com/beautifull_pict/v1/740x304/50x50/6/92/img/1709040576323_27/opengb_image1.jpg) Maximize customization with Custom Code extensions GoodBarber Open's Custom Code extensions offer unprecedented flexibility for developers and expert users wishing to customize their mobile apps beyond standard functionality. Whether it's injecting custom code directly into your widgets, navigating uniquely through your app, designing a bespoke menu or creating fully customized sections, these extensions are powerful tools for turning your vision into reality. The **Widget Custom Code** lets you embed custom HTML/CSS/JavaScript code in your widgets for advanced UI customization. The **Custom Code navigation mode** lets you create a completely customized navigation mode using custom code. The **Menu Custom Code** extension is perfect for those who want to differentiate their application with a unique menu, created from their own code, offering total freedom in layout and style. The **Section Custom Code** extension authorizes the addition of fully customized sections with HTML/CSS/JavaScript code. It's ideal for integrating specific content or features that require a tailored approach. [illustration for Custom Code widget Custom Code widgetCreate your own widgets to build the home page of your appFree](https://www.goodbarber.com/extensions/custom-code-widget/) [illustration for Custom Code navigation mode Custom Code navigation modeCreate your app's navigation mode from scratch.Free](https://www.goodbarber.com/extensions/custom-code-browsing-mode/) [illustration for Custom Code menu Custom Code menuStart from scratch to create a customized menuFree](https://www.goodbarber.com/extensions/custom-code-menu/) [illustration for Custom Code section Custom Code sectionDevelop your own features with a from scratch sectionFree](https://www.goodbarber.com/extensions/custom-code-section/) Extensive design customization with the Advanced Edition extension The **Advanced Edition** extension opens the doors to advanced customization of your app's design, unlocking access to advanced settings not accessible from the backoffice GUI. It's particularly suited to expert users who want to fine-tune their app's aesthetics beyond the standard options on offer. This extension offers the possibility of fine-tuning design elements such as colors, fonts and layouts. Ideal for those seeking detailed control over their project's visuals, the Advanced Edition extension is the indispensable tool for transforming and customizing the user interface, making each application truly unique and tailored to the precise requirements of its creators. [illustration for Advanced edition Advanced editionActivate the advanced features that give you access to hidden settings, for even greater customization of your application.Free](https://www.goodbarber.com/extensions/advanced-edition/) Complete your customization with additional built-in features GoodBarber also offers a range of directly accessible customization features, without the need to add extensions.These include adding HTML/VSS/JavaScript code to the **Article Template and** Video Template, or to **a CMS paragraph**. When creating a Custom Code Section, the **Integrated Text Editor** makes it easy to write your code. Finally, GoodBarber offers **access to APIs** to build functionality around your app, enabling deep integration with other services and extending your app's capabilities. More details in the blog post entitled [GoodBarber Open: more freedom for developers and expert users](https://www.goodbarber.com/blog/goodbarber-open-more-freedom-for-developers-and-power-users-a1358/).