<p>If possible one that supports at least spell checking:</p>

<ul>
<li>C# string literals</li>
<li>HTML content</li>
<li>Comments</li>
</ul>

[{'answer_id': 30963, 'author': 'Greg Hurlman', 'author_id': 35, 'author_profile': 'https://Stackoverflow.com/users/35', 'pm_score': 1, 'selected': False, 'text': '<p><a href="http://davesbox.com/archive/2008/06/08/fxcop-now-ships-with-the-spell-checker-libraries.aspx" rel="nofollow noreferrer">FxCop ships with a spell check now</a> - have you tried that?</p>\n\n<p><a href="http://blogs.msdn.com/webdevtools/archive/2007/12/13/spell-checker-for-html-asp-net-jscript-vb-c-css-and-c-for-visual-studio-2005-and-2008.aspx" rel="nofollow noreferrer">Here\'s a nice add-on</a> for Visual Studio 2005/2008 by Mikhail Arkhipov of MSFT.</p>\n'}, {'answer_id': 30968, 'author': 'bdukes', 'author_id': 2688, 'author_profile': 'https://Stackoverflow.com/users/2688', 'pm_score': 4, 'selected': False, 'text': '<p>The <a href="http://blogs.msdn.com/webdevtools/archive/2008/11/29/spell-checker-update-2-2-full-support-for-vs-2008-sp1-simpler-setup-and-a-few-bug-fixes.aspx" rel="nofollow noreferrer">plugin from Microsoft\'s Mikhail Arkhipov</a> does HTML and Comments, I don\'t believe it does C# strings, though.  I use the <a href="http://www.agentsmithplugin.com/" rel="nofollow noreferrer">Agent Smith</a> plugin for <a href="http://www.jetbrains.com/resharper/" rel="nofollow noreferrer">ReSharper</a> for that.</p>\n'}, {'answer_id': 31049, 'author': 'Brian Ensink', 'author_id': 1254, 'author_profile': 'https://Stackoverflow.com/users/1254', 'pm_score': 2, 'selected': False, 'text': '<p>Visual Assist X.  Spell checks your comments and a whole lot more.</p>\n\n<p><a href="http://www.wholetomato.com/" rel="nofollow noreferrer">http://www.wholetomato.com/</a></p>\n'}, {'answer_id': 34866, 'author': 'travis', 'author_id': 1414, 'author_profile': 'https://Stackoverflow.com/users/1414', 'pm_score': 0, 'selected': False, 'text': '<p>The source code for <a href="http://www.wndtabs.com/" rel="nofollow noreferrer">Spelly</a> is available, it would be pretty easy to update it for vs2008.</p>\n'}, {'answer_id': 102168, 'author': "Dane O'Connor", 'author_id': 1946, 'author_profile': 'https://Stackoverflow.com/users/1946', 'pm_score': 4, 'selected': True, 'text': '<p>Well, 3 weeks later, I\'ve stumbled across <a href="http://www.exactmagic.com/products/codespell/" rel="nofollow noreferrer">CodeSpell</a>. <em>[<strong>Note:</strong> this link no longer works and the product does not appear to be listed by that company).</em> </p>\n\n<p>Its $30 but has a trial period. Does everything I asked for. Check link to see features.</p>\n\n<p>This <a href="http://www.indiegameguy.com/blogs/zman/archive/2005/11/30/visual-studio-2005-spell-checker.aspx" rel="nofollow noreferrer">blog entry</a>, though dated, helped me out.</p>\n\n<p>Edit: The original link is now invalid but this appears to be the <a href="http://submain.com/products/codespell.aspx" rel="nofollow noreferrer">new home of CodeSpell at SubMain</a>. Here is acquisition <a href="http://submain.com/blog/SubMainAcquiresExactMagicsTestMatrixCodeSpellAndStudioTools.aspx" rel="nofollow noreferrer">announcement from them</a>.</p>\n'}, {'answer_id': 166455, 'author': 'John', 'author_id': 33, 'author_profile': 'https://Stackoverflow.com/users/33', 'pm_score': 1, 'selected': False, 'text': '<p>I use this to check Comments and string spell checker. It\'s from component one <a href="http://www.componentone.com/SuperProducts/IntelliSpell/" rel="nofollow noreferrer">http://www.componentone.com/SuperProducts/IntelliSpell/</a>. It\'s very fast <strike>and there is a free community version.</strike></p>\n'}, {'answer_id': 834713, 'author': 'Sire', 'author_id': 2440, 'author_profile': 'https://Stackoverflow.com/users/2440', 'pm_score': 0, 'selected': False, 'text': '<p><a href="http://www.wndtabs.com/" rel="nofollow noreferrer" title="Spelly">Spelly has been ported to VS 2003</a>. I don\'t know if it works with VS 2008 (because I\'m very happy with Agent Smith for ReSharper), but source is included.</p>\n'}, {'answer_id': 1367502, 'author': 'Igal Tabachnik', 'author_id': 8205, 'author_profile': 'https://Stackoverflow.com/users/8205', 'pm_score': 3, 'selected': False, 'text': '<p>If you\'re using <a href="http://www.jetbrains.com/resharper/" rel="nofollow noreferrer">ReSharper</a>, there\'s a free addon for it called <a href="http://code.google.com/p/agentsmithplugin/" rel="nofollow noreferrer">Agent Smith Plugin</a>. One of its many features is a built in spell checker, that allows fixing the spelling mistakes using the ReSharper shortcut key, <kbd>Alt</kbd>-<kbd>Enter</kbd>.</p>\n'}, {'answer_id': 1917797, 'author': "Dane O'Connor", 'author_id': 1946, 'author_profile': 'https://Stackoverflow.com/users/1946', 'pm_score': 1, 'selected': False, 'text': '<p>CodeRush also has spell check.</p>\n'}, {'answer_id': 6334138, 'author': 'extofer', 'author_id': 781968, 'author_profile': 'https://Stackoverflow.com/users/781968', 'pm_score': -1, 'selected': False, 'text': '<p>I was running an obsolete version on Visual Studio 08, as of April last year this is the apparent update: <a href="http://visualstudiogallery.msdn.microsoft.com/2f3d691d-8838-4d84-ad64-44a02db37e30/" rel="nofollow">http://visualstudiogallery.msdn.microsoft.com/2f3d691d-8838-4d84-ad64-44a02db37e30/</a></p>\n\n<p>Unfortunately for me, it only works on commented code and not strings.</p>\n'}]
['https://Stackoverflow.com/questions/30947', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1946/']