![](https://bpb-ap-se2.wpmucdn.com/blogs.auckland.ac.nz/dist/c/13/files/2018/07/codes-code-strip-1u2bx81.jpg)
![PyUltraLight](https://cosmology.auckland.ac.nz/files/2018/08/bavaria-constellations-cosmos-1205301-2o4aeeg-e1534212964545-1080x662.jpg)
PyUltraLight
A pseudo-spectral solver for ultra-light dark matter dynamics.
![ModeCode](https://cosmology.auckland.ac.nz/files/2018/09/code-coder-coding-270404-2bkw6py-1080x675.jpg)
ModeCode
ModeCode provides a numerical solution of the perturbation equations and resulting spectrum for an arbitrary single field inflationary potential. Interfaced with CAMB and CosmoMC, to implement Bayesian parameter estimation for inflation.
![InterpMC](https://cosmology.auckland.ac.nz/files/2018/09/abstract-business-code-270348-1vurt14-1080x675.jpg)
InterpMC
This patch implements code described in arXiv:1012.5299 and published in JCAP, with DOI 10.1088/1475-7516/2011/05/016. The patch applies to the January 2010 release of CosmoMC and is unlikely to work with more recent versions of CosmoMC. A more sophisticated...
![PSpectRe](https://cosmology.auckland.ac.nz/files/2011/10/object001.jpg)
PSpectRe
[Easther, Finkel and Roth] A C++ pseudo-spectal code for evolving interacting scalar fields in the early universe.
Image: Detail from PSpectRe simulation of post-inflationary universe.