Yes, both Google Drive and OpenDrive offer a Free Trial.
Google Drive is designed for Large Enterprises, Medium Business and Small Business.
OpenDrive is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Google Drive Starts at $8/User/Month whereas for OpenDrive Starts at $5/Month.
Some top alternatives to Google Drive includes CollaborateCloud, Odrive, CloudFiles, Dropbox Business, Zoho WorkDrive, FileCloud, Microsoft OneDrive for Business, Dropbox Professional, DocUp and OpenDrive.
Some top alternatives to OpenDrive includes Nextcloud, Odrive, Backblaze, BackupVault Cloud Backup, IDrive Online, Livedrive, CloudAlly G Suite Backup, IBackup, Jottacloud and ZipCloud.