GWS Backup vs Kernel Google Workspace Backup and Restore

GWS Backup is self-hosted software for backing up Google Workspace Gmail, Drive, Shared Drives, Calendars and Contacts. It can send backups to Google Drive, local disks or NAS, Amazon S3, and Azure Blob storage. After its initial full backup, it transfers only new mail and changed files. Restores can cover a workspace, account, folder, email or file, including transfer to a different user or download. Deleted source items remain in backup for one year; operators can configure version history and vault pruning. A live monitor shows transfers, and an audit trail records actions and backup results. Security options include 2FA and separate administration and restore roles. The maker says backups stay in storage controlled by the customer and do not pass through its infrastructure. Deployment options include Windows, Linux, cPanel and Docker. GWS Backup requires Node.js 22.5 or newer and an activated licence key. Its plan is free, covering up to 10 client workspaces and unlimited accounts, with one running installation per licence key.

Kernel Google Workspace Backup and Restore is Windows software for backing up and restoring data from Google Workspace. It covers Gmail, contacts, calendars, Drive, Shared Drive, Groups, Chat, Docs, and Sheets. Mailbox lists can be supplied in a CSV file, and backup jobs can span multiple domains. An incremental option skips items already migrated and captures newly added data. Google Chat backups include direct and group chats, spaces, and history; attachments are saved separately, and chat content can be exported to PDF or HTML. Google Docs and Sheets can be exported to local or network storage while preserving their content and formatting. Workspace exports include PST, MSG, EML, PDF, DOC, DOCX, MHT, and HTML. Restore choices include selected data, folders, mailboxes, Workspace accounts, and Google Groups. It can restore PST and OST data to Workspace, and the vendor says Outlook is not needed for PST restoration. The trial is limited to 10 items per folder and five Drive documents per account. Prices include $49, paid once for a single-mailbox backup license and $99 as a one-time purchase for a single-mailbox backup-and-restore license.