Make Object Shake
This addon allows to easily make an object shake in Blender, It work with bone, camera, object, [...]
It works with Blender 2.8 and earlier versions
Video (Camera): https://youtu.be/40ZOT1nNwF4
Video (Bones) : https://youtu.be/3A1WLaytcCk
Addon page: http://xavierloux.com/creation/view/?creation=make-object-shake
How it works
In Blender select the object you want to shake, press F3 (Space bar for Blender 2.7 ) and write "Makes active object shake" Now go in custom properties to edit and animate the shake influence
Open User Preferences (Ctrl+Alt+U) and under Add-ons, click Install from File. Then navigate to the file you downloaded and select it.
This addon use Driver to work so it is necessary to Run Phyton Scripts. If you want Python scripts to be executable every time you start Blender ppen User Preferences (Ctrl+Alt+U) and under File tick the checkbox Auto Run Python Scripts, Then click Save User Settings at the bottom.