- arrayu: Utilities for arrays / timeseries
- filteru: Methods for smoothing, dynamic RPM-based notch filtering, and complementary filtering
- keygrabber: Helper class to grab single key presses from keyboard
- mathu: Mostly helpers for dealing with rotations
- plotu: Matplotlib utilities
- polyu: Helper methods for fitting polynomials to start and end conditions
- quadrotoru: Quadrotor dynamics model
- rigid_body: Simple 3D rigid body dynamics simulator
- timeseriesu: Methods for structuring timeseries data, mostly recursive dicts