Bullsheet is a portfolio management tool that allows users to automate the tracking of their stocks on the eToro platform. It allows users to import and visualize their assets, see sector and geographical breakdowns, get news updates for their stocks, and view a risk overview of their portfolio. It also offers features such as a dividend calendar, real-time trading information, statistics on people that users are copying on eToro, and the ability to export portfolio data. It is designed for individuals who want to manage their portfolio more efficiently and get insights about their portfolio diversification and risk.