What are some alternatives?
Dropbox - Online Sync and File Sharing
Resilio Sync - Resilient, fast and scalable file synchronization for enterprises and individuals
Google Drive - Google Drive is a personal cloud storage service from Google that lets users store and synchronize digital content across computers, laptops and mobile devices, including Android-powered tablet and smartphone devices.
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
Mega - Secure File Storage and collaboration
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...