MetaTrader is a trading platform that is very popular with Forex Brokers and their clients. Its main features are security, reliability and multifunctionality. Safety of data transferred by the MetaTrader through the Internet is guaranteed by a complex inscription. MetaTrader was developed by MetaQuates Software and is intended to be used by a large variety of financial institutions such as broker companies, banks, financial companies dealing centers and individual traders working with Forex, Futures, CFD , Indexes markets.  
MetaTrader allows creatingMechanical Trading Systems (MTS) with help of MetaQuotes Language 4 (MQL4). With MetaTrader an investor can access the account and monitor the trading process not interfering with it. There is also a version of MetaTrader for PDA and smartphones that allows access to the trading account via mobile devices.
Here is the list of Forex Brokers working with MetaTrader.

LiteForex
http://www.liteforex.org
Works from: 2005
Country: Russian Federation
Margin: 1:200  Spread: 3 points
Forex: 300  Forex mini: 1

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Supported language: Arabic, Chinese, English, French, German, Greek, Japanese, Malay, Portuguese, Russian, Spanish, Turkish
Demo account: unlimited
Market: CFD, Forex
Platform: MetaTrader 4
Account funding: AlertPay, Bank Transfer, Liberty Reserve, MoneyBookers, WebMoney
FIBO Group
http://fibogroup.com
Works from: 1998
Country: Virgin Island British
Margin: 1:200  Spread: 2 points
Forex: 300  Forex mini: 300

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Supported language: English, Farsi, German, Russian
Demo account: unlimited
Market: CFD, Commodities, Forex, Futures, Options
Platform: MetaTrader 4
Account funding: Bank Transfer, Credit Card, WebMoney
Alpari
http://www.alpari-forex.com
Works from: 1998
Country: Russian Federation
Margin: 1:500  Spread: 2 points
Forex: 300  Forex mini: 200

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Supported language: Arabic, Chinese, English, French, Russian, Spanish
Demo account: unlimited
Market: CFD, Commodities, Forex
Platform: Alpari Direct, MetaTrader 4, MetaTrader 5, Systematic
Account funding: Bank Transfer, Credit Card, MoneyBookers, QIWI, RBKMoney, WebMoney, WIRE Transfer
Forex4you
http://www.forex4you.com
Works from: 2007
Country: Virgin Island British
Margin: 1:500  Spread: 2 points
Forex: 100  Forex mini: 2

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Supported language: Chinese, English, French, Malay, Russian, Spanish, Ukrainian
Demo account: unlimited
Market: CFD, Commodities, Forex
Platform: MetaTrader 4
Account funding: Bank Transfer, Credit Card, Liberty Reserve, MoneyBookers, RBKMoney, WebMoney, WIRE Transfer, Yandex Money
E-Global Trade
http://www.eglobal-forex.com
Works from: 2007
Country: Virgin Island British
Margin: 1:500  Spread: 2 points
Forex: 2000  Forex mini: 20

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Supported language: English
Demo account: unlimited
Market: CFD, Forex, Futures
Platform: MetaTrader 4
Account funding: WebMoney, Bank Transfer, Credit Card, Liberty Reserve
ForexCent
http://www.forexcent.com
Works from: 2010
Country: Czech Republic
Margin: 1:500  Spread: 2 points
Forex: 10  Forex mini: 1

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Supported language: Czech, English, Russian
Demo account: unlimited
Market: CFD, Commodities, Forex, Futures
Platform: MetaTrader 4
Account funding: Credit Card, Liberty Reserve, LiqPay, PerfectMoney, WebMoney
MasterForex
http://www.masterforex.org
Works from: 2006
Country: Russian Federation
Margin: 1:500  Spread: 2 points
Forex: 500  Forex mini: 1

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Supported language: Arabic, Chinese, English, Indonesian, Korean, Russian
Demo account: unlimited
Market: Forex
Platform: MetaTrader 4
Account funding: Bank Transfer, Liberty Reserve, RBKMoney, WebMoney, Yandex Money
FxProfit
http://www.fxprofit.ru
Works from: 2001
Country: Russian Federation
Margin: 1:200  Spread: 2 points
Forex: 2000  Forex mini: 100

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Supported language: Russian
Demo account: 30 days
Market: CFD, Forex, Commodities
Platform: MetaTrader 4
Account funding: WebMoney, Bank Transfer
X-Тrade
http://www.xtb.com
Works from: 2002
Country: Ukraine
Margin: 1:200  Spread: 2 points
Forex: 1000  Forex mini: 500

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Supported language: Belorusian, Chinese, Czech, English, India, Italian, Polish, Russian, Spanish, Ukrainian
Demo account: unlimited
Market: CFD, Commodities, Forex, Options, Stocks
Platform: MetaTrader 4
Account funding: Bank Transfer, WebMoney
BrokBiznes Bank
http://forex.bankbb.com.ua
Works from: 2005
Country: Russian Federation
Margin: 1:100  Spread: 3 points
Forex: 1000  Forex mini: 300

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Supported language: English, Russian
Demo account: unlimited
Market: Forex, Commodities
Platform: MetaTrader 4
Account funding: Bank Transfer
Admiral Markets
http://www.fxservice.com
Works from: 2001
Country: Russian Federation
Margin: 1:200  Spread: 2 points
Forex: 5000  Forex mini: 20

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Supported language: Bulgarian, Chinese, English, Estonian, Latvian, Lithuanian, Polish, Romanian, Russian, Ukrainian
Demo account: unlimited
Market: CFD, Commodities, Forex, Futures, Indices
Platform: MetaTrader 4
Account funding: Bank Transfer, Credit Card, Liberty Reserve, MoneyMail, Pecunix, PerfectMoney, QIWI, RBKMoney, WebMoney, WIRE Transfer
FXCompany
http://www.fxcompany.net
Works from: 2004
Country: Russian Federation
Margin: 1:500  Spread: 0.5 points
Forex: 0  Forex mini: 100

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Supported language: Chinese, English, Latvian, Polish, Russian, Ukrainian
Demo account: 30 days
Market: CFD, Commodities, Forex, Futures, Indices
Platform: MetaTrader 4
Account funding: Bank Transfer, Credit Card, Liberty Reserve, MoneyBookers, PerfectMoney, WebMoney
TeleTRADE
http://www.teletrade.ru
Works from: 1994
Country: Russian Federation
Margin: 1:200  Spread: 5 points
Forex: 2000  Forex mini: 0

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Supported language: English, Russian, Bulgarian, Chinese, German, Lithuanian, Ukrainian, Polish, Romanian, Belorusian, Turkish, Indonesian, Latvian, Moldavian, Korean, Georgian
Demo account: unlimited
Market: CFD, Forex
Platform: MetaTrader 4
Account funding: WebMoney, Bank Transfer, Credit Card, RBKMoney
ForexUkraine
http://www.forexua.com
Works from: 2002
Country: Ukraine
Margin: 1:100  Spread: 3 points
Forex: 0  Forex mini: 200

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Supported language: English, Russian
Demo account: unlimited
Market: CFD, Forex
Platform: MetaTrader 4
Account funding: WebMoney, E-Gold, Bank Transfer, RuPay, Yandex Money
Kalita-Finance
http://www.kf-forex.ru
Works from: 1999
Country: Russian Federation
Margin: 1:100  Spread: 2 points
Forex: 30  Forex mini: 0

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Supported language: English, Russian, Ukrainian
Demo account: unlimited
Market: CFD, Commodities, Forex, Indices
Platform: iTrader
Account funding: Bank Transfer, WebMoney, Yandex Money
Real Trade
http://www.realtrade.lv
Works from: 2003
Country: Latvia
Margin: 1:100  Spread: 3 points
Forex: 200  Forex mini: 20

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Supported language: English, Russian, Estonian, Ukrainian
Demo account: unlimited
Market: CFD, Forex
Platform: MetaTrader 4
Account funding: WebMoney, Bank Transfer
Forex-Best
http://www.fxbest.ru
Works from: 2004
Country: Russian Federation
Margin: 1:100  Spread: 1 points
Forex: 300  Forex mini: 0

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Supported language: Russian
Demo account: unlimited
Market: CFD, Forex
Platform: MetaTrader 4
Account funding: WebMoney, Bank Transfer
Ukrsotsbank
http://forex.ukrsotsbank.com
Works from: 2000
Country: Ukraine
Margin: 1:100  Spread: 3 points
Forex: 200  Forex mini: 20

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Supported language: Russian
Demo account: unlimited
Market: Forex
Platform: MetaTrader 4
Account funding: Bank Transfer
MRC Markets
http://www.mrcmarkets.ru
Works from: 2002
Country: Russian Federation
Margin: 1:500  Spread: 0.5 points
Forex: 1000  Forex mini: 5

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Supported language: Chinese, English, German, Russian
Demo account: unlimited
Market: CFD, Commodities, Forex, Indices
Platform: MetaTrader 4
Account funding: Bank Transfer, WebMoney
InstaForex
http://instaforex.com
Works from: 2007
Country: Russian Federation
Margin: 1:500  Spread: 3 points
Forex: 1  Forex mini: 0

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Supported language: English, Russian, Chinese, German, Italian, French, Turkish, Portuguese, Latvian, Indonesian, Thai, Czech
Demo account: unlimited
Market: CFD, Forex, Commodities
Platform: MetaTrader 4
Account funding: WebMoney, E-Gold, Bank Transfer