Cirrus is an asset versioning tool based on Amazon S3 cloud servre. It allows you to keep track of your asset, get latest version from cloud, send an update. Get the history of an asset etc. It coded in Python and PySide2 for the UI part, so it is compatible with all software which have a python / pyside2 support, such as Houdini ( pypanel ), Maya or Nuke.

An example of the Houdini implementation in a pypanel:

Here is a quick video on how it works. It still under devlopement and is not production ready yet but you can test an alpha version already.