Free Office Suites without license

Below are the list of Office Suites like-wise Microsoft Office but they are free in this world of high prices.

1. Apache Open Office
Available for Windows, Mac OS X and Linux, OpenOffice is one of the most widely used alternatives to Microsoft Office. You can use it for word processing, spreadsheets, presentations & database management on any number of computers.
Link: Apache Open Office

2. Think Free Office

It is similar to Google Docs.This office suite works completely within a web browser — you don't need to download & install any software.

You will be having 1GB of online storage  free for usage.It keeps backing up files as you work, so even if the browser crashes, or is accidentally closed, the document will not be lost as it was backed up.

Link : Think Free Office 

3. Kingsoft Office Free

This complete office suite is just a small download (~37MB).
Kings Office Free includes a usual word processor, spreadsheet and presentation creator. Includes built-in PDF converter.
It also has built in email functionality and a tabbed interface which makes it easy to work with multiple documents at a time.
It is available only for Windows.

 Link : Kingsoft Office Free

4. Zoho Office Suite

Zoho offers a free online suite of collaboration, productivity and business applications.Apart from a complete office suite, Zoho offers email, web conferencing, chat, calendar, planner, remote assistance, book-keeping, customer relationship management & invoicing programs — all for free and everything works within a web browser.

Link: Zoho Office Suite

5. Google Docs

Google Docs is a free, Web-based office suite and data storage service offered by Google. It allows users to create and edit documents online while collaborating in real-time with other users. Google Docs combines the features of Writely and Spreadsheets with a presentation program.

Link: Google docs