Tarsnap is a secure online backup service for UNIX-like operating systems, including BSD, Linux and OS X. Developed by Colin Percival
License: Commercial
CmisSync is tailored for users needing a reliable file synchronization solution, emphasizing ease of use and cloud integration, while Tarsnap is designed for secure, incremental backups with a focus on data integrity and efficiency. The choice between the two largely depends on whether the user prioritizes synchronization or secure backup.