A Search Engine Watch Forums thread has links to several free and useful keyword suggestion tools that are still available to us. Remember last week, we discussed Yahoo!'s plans for a new keyword tool, Wordtracker opening a new free version of their tool and Overture keyword tool having issues. Here are some keyword research tools still available to you today, some from the thread and some I added.

• Overture Keyword Suggestion Tool
• Google Keyword Tool
• Wordtracker Free Keyword Tool
• Keyword Discovery Free Tool
• Google Trends
• DigitalPoint Keyword Suggestion Tool
• SEO Book Keyword Suggestion Tool

Forum discussion at Search Engine Watch Forums.