What are some alternatives?
When comparing Syncthing and Librevault, you can also consider the following products
Dropbox - Online Sync and File Sharing
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
Mega - Secure File Storage and collaboration
Google Drive - Access and sync your files anywhere
Resilio Sync - Resilient, fast and scalable file synchronization for enterprises and individuals
MediaFire - MediaFire is the simple solution for uploading and downloading files on the internet.