Pizza Ordering ChatBot ChatBot using Dialogflow, Firebase database which stores the chat data in the realtime database. Dailogflow Firebase WhatsApp-Bot Python script which helps to send messages to WhatsApp contacts automatically using selenium and web automation. Selenium Chrome webdriver Python Bill Generator GUI to transfer data to excel sheets and generate bills on the local shops. Tkinter Openxlpy Python Nodejs-Web-Crawling By sending HTTP request to a particular URL and then by extracting HTML of that web page for getting useful information is known as crawling or web scraping. Nodejs HTML5 CSS3 JavaScript Calculator GUI Calculator GUI for mathematical calculation. Tkinter Python