Google Sheets Style Feature Rich jQuery Spreadsheet Plugin - ipgrid
ip grid is a flexible, feature-rich, highly customizable jQuery spreadsheet plugin inspired by Google Sheets and MS Excel.Comes with lots of configuration options and API methods & events.
Create A Leaflet Map With Interactive Layers - am_map.js
am_map.js is a jQuery plugin that allows users to create custom Leaflet maps with multiple interactive layer markers and popups using a simple API.
To use am_map.js, users need to load the necessary jQuery library and Leaflet Map, as well as other optional dependencies like Leaflet.UTM and Stamen Maps. [ more ]