I once used Hazel to sort things in ~/Downloads folder.

You can sync Hazel rules with Dropbox.

Notes

• If you want to have your rules to be applied onto subfolders as well as the directory chosen, add this rule.

• If extensions are hidden, don't add extensions in the rule editor too.

Links

• ​Reference hazel file path​

• ​Hazel Debug Mode​

• ​Nice use cases of Hazel​