An add-on toolbox for gammapy to add functionalities for the simulation of synthetic lightcurves with the Emmanoulopoulos algorithm, an envelope framework for the periodogram of a lightcurve and a fitting procedure for the PSD.
In your gammapy environment you can install gammapy_SyLC by running:
git clone https://github.com/cgalelli/gammapy_SyLC.git
cd gammapy_SyLC
python -m pip install -e .