Grammar tends to receive an on going popularity during the few years.
People understand, that using proper spelling and rich writing style is simply not enough;
If your grammar is poor - your image is poor.
In a global world where most of the communication is made via emails, letters, live chats, etc. -
the need of proper grammar is quite clear.

Writer-Toolbox task is to find and review the leading grammar tools that help us write with proper grammar,
check and correct all our grammar mistakes, or in other words, to make our lives easy.
There are many grammar sites and blogs that refer to grammar or cover proper usage of English grammar.
We, however, have tried to focus at the leading and most popular grammar checking tools that ease our writing and correct our grammar errors.
All of them were reviewed and experimented and were found as the best grammar solution for those who need such a tool:

• WhiteSmoke - probably the leading grammar checker tool exists today on net.
  WhiteSmoke is an all-in-one writing solution, including a spell check, built-in dictionary and ready to use templates, however the grammar checker is its main feature and the strongest reason why people use this tool. WhiteSmoke grammar checker tool checks and corrects any grammar mistake in your text, and also supply explanation regarding the error, in order to help you avoid similar mistakes in the future.
  Found 90% of the mistakes we inserted.
• SpellChecker.net - A free online spelling, grammar & thesaurus checker.
  You can paste your text to the box and check it for grammar/spelling mistakes. In addition, this tool offers synonyms & thesaurus to choose from. Regarding the text we tried - it changed a correct use of tense and ignored other grammar mistake that appeared. The positive thing is that it's free, and suitable if you wish to check a specific short text.
• Spell Check Plus - Another free online spelling & grammar checker.
  Returns a list of suggestions to choose from and gives an explanation regarding the error and how to fix it.
  Didn't work on most of the text we tried, however the yellow explanation tooltip box that opens adds a nice touch to this tool.
• Style Writer - Not a standard grammar checker, but a writing tool that notifies you of a poor writing style, thus forcing you to review your text and improve your grammar by using a clear and simple writing style.
  Compares your text to a large database of style and usage issues.
  A very popular and well-known brand.