This document provides an overview of open data and applications created using open data from various government sources. It introduces Mohd Izhar Firdaus Ismail and his background working with data. Examples of open data applications from Data.gov (US) and Data.gov.uk (UK) are described that address issues like locating alternative fuel stations, planning farming activities based on weather, and choosing a college based on affordability. Tips are provided for getting started with data work, including cleaning, analyzing and visualizing data using open source tools like Python libraries, Apache Zeppelin and Hortonworks.