Which of the following is an open-source spreadsheet software?

Correct option is C

LibreOffice Calc is an open-source spreadsheet software developed as part of the LibreOffice suite. Its source code is freely available, allowing users to use, modify, and distribute it without licensing costs. In contrast, Microsoft Excel and Apple Numbers are proprietary software, while Google Sheets is a cloud-based service and not open-source. Therefore, LibreOffice Calc is the correct answer.
Important Key Points:
1. What is LibreOffice Calc? It is a spreadsheet application included in the LibreOffice open-source office suite.
2. Open-Source Nature: Users can freely access, modify, and redistribute the source code.
3. Key Features: Supports formulas, charts, pivot tables, macros, and multiple file formats.
4. Compatibility: Can open and save files in Microsoft Excel formats (.xls, .xlsx).
5. Advantages:
· Free of cost
· Community-driven development
· No vendor lock-in
6. Use Cases: Educational institutions, government offices, personal data analysis, and small businesses.
Knowledge Booster:
· Why option (a) Microsoft Excel is incorrect? It is proprietary software requiring a paid license.
· Why option (b) Google Sheets is incorrect? Although free to use, it is not open-source; the source code is not publicly available.
· Why option (d) Apple Numbers is incorrect? It is proprietary software developed by Apple and restricted to its ecosystem.