Amazon Mechanical turk – mturk.com – the oldest, you can use your Amazon login, offers payment in Indian Rupees. Has a large number of tasks available, usually in thousands for US residents.
Microworkers – microworkers.com – workers can appeal if a task is not approved, payment through Paypal , Moneybookers and check.
Cloudcrowd.com – need a Facebook account, offered daily payments through Paypal
Crowdflower.com
Jobboy.com
Simpleworkers.com
Shortask.com
Myeasytask.com
Humangrid.de (redirects to clickworker.com)
Minijobz.com
Rapidworkers.com
Domywork.net – for students
Minuteworkers.com
Iamoney.com
Saycomment.com
MyMicroJob.com

Payment for each task usually varies from 5 cents to a dollar and completed tasks are to be approved manually. After signing up on these websites for testing, there seems to be a lot of difference in the way these websites are run. Popular tasks involve signing up for programs, writing blog posts, manipulating social media, posting links. Some tasks are reserved for users from USA / Canada. You can earn a few dollars a month with these websites in your free time.

• http://www.gotfreefax.com
• http://www.myfax.com/free/
• http://faxzero.com
• http://www.freefaxbutton.com
• http://www.freepopfax.com
• http://www.fax1.com (Free Trial Offer for $1)

The fax can be sent to  USA , Canada, though some allow you to send free faxes to other countries.  Most of the free fax services are supported by advertising  and have limitations on the number of pages per fax and number of faxes that can be sent in one day.  The fax can be uploaded as a .doc or pdf  file  or can be entered in text format.

The usage is shown in 2 formats, in terms of Rupees and in the number of bytes used during each session.
They also send alerts by SMS to your mobile with details of the balance remaining in your account. However the usage data has not been updated since 12 May, 2010. Though the connection has been used several times, the balance has not been updated/ reduced.

Tariffs available at their website – http://www.mtsindia.in/Mumbai/netonthego.html . A wide variety of tariff plans and combinations are available, with cheaper night surfing.

They offer free Browsing on some popular websites like:
www.yahoo.co.in | www.wikipedia.org | www.makemytrip.com | www.cricinfo.com | www.shopping.indiatimes.com

2 Models of the internet device are available

Premium model – Rs 2299
• Plug & Play enabled
• Speed upto 3.1 Mbps
• Fastest uploads at a speed to upto 1.8 Mbps
• Micro SD card slot for data storage
• swivel modem for flexible usage

Standard model – Rs 1999
• Plug & Play enabled
• Speed upto 3.1 Mbps
• uploads at a speed to upto 1.8 Mbps

From Sistema Shyam TeleServices Limited (SSTL). Some retailers are selling the device at Rs 2500