I have various Apple products which sync with iCloud.
Are there any ways to access iCloud documents with Ubuntu (for clarity, I'm not asking about email, calendaring, etc.) apart from the web-based access at https://www.icloud.com/?
The ideal option would be a daemon that syncs with iCloud in a similar way to how Dropbox does. However, a programmable API or GUI-based solution would be good too.
Essentially I'm looking to investigate the options; I appreciate they are likely to be reverse-engineered and not 100% official or supported.