Cheat sheets that list shortcuts for a number of essential programs that you probably use on a daily basis. This list will definitely make you more productive.

Share them with everyone:

1. Linux Commands Reference
2. GIMP Shortcuts
3. Mozilla Thunderbird Shortcuts
4. Skype Shortcuts
5. VLC Player Shortcuts
6. XBMC Tips & Tricks
7. Dropbox Tips
8. Google Chrome Shortcuts
9. Opera Shortcuts
10. Best Google Search Tips
11. Useful Gmail Shortcuts
12. Google Docs Cheat Sheet
13. Google Drive Tips
14. Google Reader Shortcuts
15. YouTube Tips
16. The Video Tools & Tips
17. Facebook Shortcuts
18. Twitter CheatSheet
19. Wikipedia Cheat Sheet
20. 30 Codes for Chat Smileys
21. Evernote Search Tips & Tricks
22. Usenet Tips And Tricks
23. Router Shopping Tips & Tricks
24. The A-Z Audio Cheat Sheet
25. World Of Warcraft Voice Emote Shortcuts
26. Samsung Galaxy S III Tips
27. The iPhone CheatSheet
28. Mac OSX Shortcuts
29. Shortcuts For Special Characters [Mac]
30. Adobe Acrobat Keyboard Shortcuts [Mac]
31. Evernote Shortcuts [Mac]
32. Safari for Mac Keyboard Shortcuts
33. Firefox Shortcuts (Mac OSX)
34. iMovie Keyboard Shortcuts
35. iTunes Cheat Sheet (Mac)
36. QuickTime Shortcuts for Mac OSX
37. Skype Shortcuts for Mac OSX
38. Spotify Shortcuts For Mac & Windows
39. Windows Shortcuts
40. Windows CMD Commands
41. Shortcuts For Special Characters on Windows
42. Windows 8 Keyboard Shortcuts
43. Windows 8 Touch & Mouse Gestures
44. Windows 7 Search Tips
45. Outlook Shortcuts
46. Adobe Acrobat Keyboard Shortcuts [Windows]
47. Evernote Shortcuts [Windows]
48. QuickBooks Keyboard Shortcuts (Windows)
49. Internet Explorer Shortcuts
50. Firefox Shortcuts (Windows)
51. iTunes Shortcuts (Windows)
52. Photoshop CS5 CheatSheet
53. uTorrent Tips & Tricks