Google Sheets is a free, web-based spreadsheet program offered by Google. It allows users to create, edit, and share spreadsheets online, supporting real-time collaboration. With its straightforward interface and integration with other Google services, it's widely used for data analysis, project management, and personal record-keeping.

The Chrome Web Store is Google's online marketplace for web applications for Chrome or Google Apps users. It provides a wide range of browser extensions, themes, and apps for personal and business use.