There are many open source software that give the service like word-processing, spreadsheet, and presentation that can download easily for free.
The software are:
1. Apache OpenOffice > www.openoffice.org
2. LibreOffice > www.libreoffice.com
3. NeoOffice > www.neooffice.org
4. Google Docs > docs.google.com
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5. Koffice > www.koffice.org
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The software are:
1. Apache OpenOffice > www.openoffice.org
2. LibreOffice > www.libreoffice.com
3. NeoOffice > www.neooffice.org
4. Google Docs > docs.google.com
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5. Koffice > www.koffice.org
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