For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
Dropbox - Online Sync and File Sharing
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
Google Drive - Access and sync your files anywhere
Filebase - Filebase is a software that provides file storage management by offering the unique approach to object storage, compatible with SIA, STORJ, and Skynet, having decentralized storage networks with underlying storage layers.
Mega - Secure File Storage and collaboration