Joomla package jmootips may help to design Joomla articles and their informations to be more attractive and informative. With this solution you are able to deploy tooltips very easily and fill tooltip content from various sources. Additionally you may control position and layout of tooltips almost without any programming skills.

The jsvisit counter is a Joomla extension which not only counts your site's visitors but counts their countries as well. The jsvisit Module provides 10 different Layouts for counters. These layouts may be customized or extended with own styling information for counters.

php-RGraph is an implementation to use the RGraph Javascript framework via php-interface.
The content plugin php-rgraph for Joomla has been developed to ease the inclusion of charts within your articles. It is alo based upon the Javascipt solution of RGraph.

jphpx is a system package to use custom codes in Joomla 3.9.x and Joomla 4.x. With jphpx, scripts in PHP, HTML and JavaScript can be integrated into module positions, articles, categories and user-defined modules from Joomla. Static HTML and Text pages can also be used. Full access to Joomla variables, functions and constants with PHP scripts is possible.

jsWeather is a lightweight and versatile Joomla module that displays weather information for any location, including information such as, humidity, barometric pressure, wind, visibility. It was developed by jschmidt-systemberatung using the latest current version of openWeatherMap as weather data source.