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.

DuckDuckGo is a privacy-focused search engine that doesn't track users and offers unbiased search results. It's known for its clean interface and commitment to not collecting personal information.