Type2phone - Type2Phone: Use your Mac as keyboard for iOS devices
Typeeto - Use Mac’s keyboard to type on iPad, iPhone, Android, etc.
Unshaky - Dismiss duplicate key hits on MacBook butterfly keyboards
1keyboard - Type on your iPhone, iPad or AppleTV using your Mac keyboard
Synergy - Cross-platform software for sharing your mouse and keyboard between multiple computers
ShareKM - Control your Droid from your desktop with MOUSE and KEYBOARD.