Listing of open-source Inertial Navigation system

Polaris is an Inertial Navigation software developing in Python mostly to use with X-Plane simulator:
https://github.com/timtrueman/polaris/

INSTK: is a toolkit for Octave/Matlab:
http://www.instk.org/

DynamicTrack is an interface to devices that provide dynamic position/orientation:
https://github.com/XenonofArcticus/DynamicTrack

Inertial Navigation for Robots:
https://code.google.com/p/nav6/

Madgewick sensor fusion:
http://www.x-io.co.uk/open-source-imu-and-ahrs-algorithms/

Gentlenav/MatrixPilot is an IMU system for UDBx boards (found at Sparkfun):
https://code.google.com/p/gentlenav/

Premerlani’s post about his IMU system:
http://diydrones.com/profiles/blogs/a-simple-deadreckoning

OpenShoe:
http://www.openshoe.org

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