Open source alternatives for Microsoft Office

As you know Microsoft office is most popular for writing documents, spreadsheets, databases and for using it with your email service. You can write documents in .doc .txt and some other popular formats using Microsoft Office Word. If you want to make presentations then you can use PowerPoint. It is very useful and is essential for everyone but it is not free. There are some other freeware alternatives that give you services like Microsoft office without any cost. You can get too much free alternative software for Microsoft Office but I am going to tell you about some popular alternatives.

Little information and history about the seven wonders of world

This is my first post on this site so I thought to give you some important information about seven wonders of world.

Names places of seven wonders:

1. Christ Redeemer (Brazil)
2. Machu Picchu (Peru)
3. Chichen Itza (Mexico)
4. Colosseum (Italy)
5. Great Pyramid of Giza (Egypt)
6. Taj Mahal (India)
7. Great Wall of China (China)