Where to promote your translations and interpreting services for free

This is a list of internet sites where a freelance translator or a translations company can advertise its services for free. Although, there are much more sites, this is in only a sample:

• Babelan.net is a languages site. There you can offer for free (not registration required) translations services and languages classes in different cities (New York, London, Toronto, Madrid, Barcelona, Mexico...).
  http://www.babelan.net
  
  
• Language Translation Forum has different topics. Among other interesting ones you can advertise your services in Business - Buy, Sell or Trade > Services.
  http://www.translation-services-usa.com/forum/
  
  
• Just landed has got a worldwide classifieds service. Go to "classifieds > Services > Editorial / Translation"
  http://classifieds.justlanded.com
  
  
• Craiglist is an online community covering 50 countries worldwide. Go to your target city and then "Services > writing/editing/translation"
  http://www.craigslist.org/about/sites
  
  
• OLX is a clasifieds web page. Select your target country and visit "Services > Writing - Editing - Translating"
  http://www.olx.com
  
  
• Locanto is also a classifieds web page. Select your target country and city and visit "Services > translation"
  http://www.locanto.com
  
  
• This is a UK based classifieds web page:
  http://translation-translator.vivastreet.co.uk/translation-classified-ads
  
  
• The target of Hallo London (a classifieds web page) is London. Go to "services > translation & interpreting"
  http://www.hallolondon.co.uk
  
  
• This is a freelancers web page. Go to "Profession > Look in this skill area > Translation"
  http://www.freelancebbs.com
  
  
• Comunity with a database of translators and interpreters. Some of the features are not free.
  http://www.proz.com/