HeadShake is an X-Plane camera plugin wich adds some nice POV effects while flying in virtual cockpit view. It is free, opensource and available for Windows, Linux and Mac in both 64 and 32 bit versions. This plugin was developed by SimCoders.com and maintained by the community.
You can download the plugin from https://www.simcoders.com/headshake/features-and-download
To compile the source code you need cmake and g++ (or MinGW).
Make sure to specify the SDK folder path in the CMakeLists.txt file.
Type the following commands in your favourite unix shell.
cd xp-plugins-headshake
mkdir build
cd build
cmake -DCMP_LIN=ON ..
make
Use CMP_LIN=ON to compile the Linux version, CMP_WIN_64=ON or CMP_WIN_32=ON to compile the Windows version using MinGW or CMP_MAC=ON to compile the Mac OSX version.