Shiny is described as 'R package that makes it easy to build interactive web apps straight from R. You can host standalone apps on a webpage or embed them in R Markdown documents or build dashboards. You can also extend your Shiny apps with CSS themes, htmlwidgets, and JavaScript actions' and is an app in the development category. There are five alternatives to Shiny for a variety of platforms, including Self-Hosted, Web-based, SaaS, Mac and Windows apps. The best Shiny alternative is Streamlit, which is both free and Open Source. Other great apps like Shiny are Dash by Plotly, Voilà, Mercury framework and Panel.