Muonium is an online backup and sync application that provides users with a secure, reliable, and easy-to-use solution for backing up and synchronizing their important files and data. Muonium’s automatic backup feature provides users with the peace of mind that their files are safe and secure and can be recovered in the event of a system failure or data corruption. Muonium also allows users to sync their data across multiple devices such as laptops, tablets, and smartphones, ensuring that their data is always available on the device of their choice. The application also provides users with robust security features such as AES-256 encryption for all data transfers, two-factor authentication, and secure cloud storage. Muonium makes it easy for users to backup and sync their data, keeping their data secure and accessible from anywhere.
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.