Tired of using the mouse and want to know the Keyboard Shortcuts for popular applications like Windows, Mac, Linux, Firefox, Internet Explorer, Opera, Gmail, Yahoo, Windows Live Hotmail, AOL, Ubuntu, PhotoShop, DreamWeaver and more then here is your one stop post to all the Keyboard Shortcuts for these popular applications and more.

Operating Systems

• Microsoft Windows Keyboard Shortcuts
• Macintosh Keyboard Shortcuts
• Linux Keyboard Shortcuts 
• Ubuntu Keyboard Shortcuts

Browsers

• Firefox Keyboard Shortcuts
• Internet Explorer Keyboard Shortcuts
• Flock Keyboard Shortcuts
• Opera Keyboard Shortcuts

Microsoft Office Suite

• Microsoft Word
• Microsoft Excel
• Microsoft PowerPoint
• Microsoft Access
• Microsoft OneNote
• Microsoft FrontPage
• Microsoft Visio

Messengers

• Google Talk Keyboard Shortcuts
• Yahoo Messenger Keyboard Shortcuts
• Windows Live Messenger Keyboard Shortcuts
• AIM Keyboard Shortcuts
• Skype Keyboard Shortcuts

Web Email

• Gmail Keyboard Shortcuts
• Yahoo Mail Keyboard Shortcuts
• Windows Live Hotmail Keyboard Shortcuts

Image Editing

• Adobe Photoshop Keyboard Shortcuts
• GIMP Keyboard Shortcuts
• Paint.net Keyboard Shortcuts
• Macromedia FireWorks Keyboard Shortcuts
• SnagIt Keyboard Shortcuts
• Picassa Keyboard Shortcuts
• IrfanView Keyboard Shortcuts

Media Players

• Windows Media Player Keyboard Shortcuts
• iTunes Keyboard Shortcuts
• WinAMP Keyboard Shortcuts
• VLC Media Player Keyboard Shortcuts

Desktop Email Clients

• Microsoft Outlook Keyboard Shortcuts
• Thunderbird Keyboard Shortcuts

Programming Suites

• Eclipse Keyboard Shortcuts
• Visual Studio Keyboard Shortcuts

Other Popular Applications

• Google Docs Keyboard Shortcuts
• Dreamweaver Keyboard Shortcuts
• uTorrent Keyboard Shortcuts
• Google Calendar Keyboard Shortcuts
• Google Reader Keyboard Shortcuts

If you think I missed something out feel free to leave a comment and I will include it in the list.