Answer:
Open Office
Step-by-step explanation:
Open Office may be regarded as an open source productivity tool which allows users to enjoy the ability to create and edit documents similar to Microsoft Word, create spreadsheet files and documents similar to Microsoft excel and Presentation tool similar to Microsoft PowerPoint. With the open source category of open office, it means it is a free software whereby users can enjoy these tools without having to purchase any user license. The other tools in the option such as Notepad, Lotus note do not posses all these functionality.