Downloading CryptCloudViewer 1.4.2 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Productivity Tools, more precisely Cloud Services. This free Mac app is an intellectual property of lithium03. We recommend checking the downloaded files with any free antivirus.
From the developer:
CryptCloudViewer is a cloud storage viewer that can play media files while keeping them encrypted. In addition, this app can play non-native media files with a software decoder. You can edit your cloud storages in terms of uploading, making folders, renaming, moving and deleting items. The tool supports cloud storages like Dropbox, Google Drive, OneDrive, and pCloud.
You may want to check out more software for Mac, such as ShutterPro, NetConference or cupcloud, which might be related to CryptCloudViewer.