Troubleshooting reactive data in 'shiny' can be difficult. These functions will convert reactive data frames into functions and load all assigned objects into your local environment. If you create a dummy input object, as the function will suggest, you will be able to test your server and ui functions interactively.

Add shiny inputs with one or more inline buttons that grow and shrink with inputs. 
 Also add tool tips to input buttons and styling and messages for input validation.

Create 'Shiny Apps' with collapsible vertical panels. 
    This package provides a new visual arrangement for elements on top of 'Shiny'. 
    Use the expand and collapse capabilities to leverage web applications with
    many elements to focus the user attention on the panel of interest.

Shiny Module to create, visualize, customize and export Excel-like pivot table.

Creates 'shiny' application ('app.R') for making predictions based on lm(), glm(), or coxph() models.

This 'RStudio' addin makes the creation of 'Shiny' and 'ShinyDashboard' apps more efficient.  Besides the necessary folder structure, entire apps can be created using a drag and drop interface and customized with respect to a specific use case. The addin allows the export of the required user interface and server code at any time. By allowing the creation of modules, the addin can be used throughout the entire app development process.

Simple and flexible quizzes in 'shiny'. Easily create quizzes from various pre-built question and choice types or create your own using 'htmltools' and 'shiny' packages as building blocks. Integrates with larger 'shiny' applications. Ideal for non-web-developers such as educators, data scientists, and anyone who wants to assess responses interactively in a small form factor.

An input controller for R Shiny: a matrix with radio buttons, 
    where only one option per row can be selected.

A simple interface to integrate star ratings into your 'shiny' apps. 
            It can be used for customer feedback systems, user reviews, or any application that requires user ratings. 
            'shinyRatings' offers a straightforward and customisable solution that enhances user engagement and facilitates valuable feedback collection.