Godwit
Rclone
Restic
aws-cli
Blimp
Borg Backup
rsync
GoodSync
rsync
FreeFileSync
Duplicati
Syncthing
Dropbox
DirSync Pro
SyncBack
Godwit Sync is a command-line tool for migrating and continuously syncing data between S3-compatible object stores and local filesystems, in three directions: filesystem-to-S3, S3-to-filesystem, and S3-to-S3. Before any transfer it builds an editable SQLite plan listing the exact objects and byte counts that will move; run it with --plan-only to inspect or edit the plan first. Incremental runs move only objects whose size, ETag, or mtime changed since the last completed run. A killed run re-plans pending and failed objects instead of skipping them. Every run is verifiable: real per-object MD5 checksums (not just ETags), on-demand checksum verification with plan verify, a status REST endpoint, Prometheus metrics, and automation-friendly exit codes for cron and CI. Transfers are parallel with multipart uploads and partial-upload recovery, resumable from the exact checkpoint after a crash, rate-limited on reads and writes, and true stream-to-stream (object data is never staged or cached on local disk). Migrations are version-aware, moving every object version rather than only the latest, and object metadata and tags are preserved exactly as stored at the source. Godwit Sync works with any S3-compatible endpoint on both sides, including AWS S3, MinIO, Cloudflare R2, Backblaze B2, Wasabi, and DigitalOcean Spaces, plus self-hosted storage such as RustFS, Garage, SeaweedFS, versitygw, and QNAP QuObjects. It is compatible with immutable Object Lock (WORM) target buckets. The license is validated locally and offline, and data moves directly between source and destination without passing through Godwit Sync servers. Available for Linux, macOS, Windows, and FreeBSD, plus official Docker images.
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Godwit's answer
DevOps, SREs, sysadmins, and technical self-hosters who run S3-compatible object storage and need predictable, verifiable migration and ongoing sync (backup, DR, replication) from the command line.
Godwit's answer
Plan-first and proof-driven: it shows you exactly what will move before it moves, then proves every run finished with per-object MD5 checksums, metrics, and an on-demand plan verify. Re-runs are incremental: only changed objects transfer, planned from a local baseline with zero destination calls.
Godwit's answer
Named after the bird with the longest non-stop migration on Earth. Godwit Sync was built out of frustration with sync tools that report success without proof: to turn risky migrations and fragile cron jobs into planned, observable runs.
Godwit's answer
Tools like rclone move data but can't prove a scheduled run actually finished; Godwit proves it (status endpoint, metrics, exit codes, checksum verification). And unlike restic/Borg, it keeps your data as native objects in your own bucket: directly usable, with immutability via bucket Object Lock.
Godwit's answer
Go, minio-go (any S3-compatible endpoint), SQLite, Cobra, Bubble Tea, and Prometheus: on a hexagonal architecture.
Based on our record, GoodSync seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Or check out goodsync.com I think the free version might work as well. Source: over 4 years ago
Rclone - rsync for cloud storage.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.
FreeFileSync - FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.
aws-cli - Universal Command Line Interface for Amazon Web Services
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.