SpellCheck

Managed wrapper for the Microsoft Spell Checking API available in Windows 8 and Windows Server 2012 and later.

https://www.nuget.org/packages/PlatformSpellCheck

var spelling = new SpellChecker();

foreach (var mistake in spelling.Check("speelling"))
{
  Console.WriteLine("Start: {0} Length: {1}", mistake.StartIndex, mistake.Length);
}

foreach (var word in spelling.Suggestions("speelling"))
{
  Console.WriteLine(word);
}

spelling.Dispose();