Nubo is an automated backup and sync application designed to make it easier to keep your data safe and secure. It allows users to securely store files and documents in cloud-based storage and automatically sync them across multiple devices. It also provides users with an easy way to share files and collaborate on projects with their colleagues and friends. With Nubo, users can easily access their data on any device, anywhere, anytime. Nubo can be used in conjunction with popular cloud services such as Dropbox, Google Drive, or Microsoft OneDrive, and provides additional features such as versioning, encryption, and password protection.
FlowCloud discontinued due to storage and maintenance issues. Read more here: https://flowcloud.xyz/why.html
Discontinued The project seems to be abandoned since March 2017. The latest version, v0.1.19, released in October 2016, can still be downloaded from the official website.