What is rsync?
An open source command-line tool for efficiently synchronizing files and directories between systems. It uses the rsync algorithm to send only differences rather than complete copies, supporting multiple transport protocols (SSH, rsh, direct sockets) and can operate as both a client and server.
rsync pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Free and open source (GNU GPL)
Open Source
FreeFreely available under GNU General Public License
Platform & deployment
Independently observed- CLI
- macOS
- Linux
- Android
- Windows
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
rsync alternatives
Other file sync we track, ranked by the same independent score.
- Rclonelow · 40%
- Syncthinglow · 31%
- SeafileA collaborative workspace for storing, organizing, and working on files with advanced metadata management and intelligent automationlow · 26%
- Unisonlow · 26%
- Pydio Cellslow · 18%
- Resilio SyncA distributed platform for high-speed file access and collaboration across hybrid storage environmentslow · 30%
Compare rsync
Side by side against other file sync, attribute by attribute, with a source on every value.
The Vioscale score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for rsync, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Development activity | 63 | 0.09 | 5.9 | ✓ |
| Release cadence | 88 | 0.05 | 4.6 | ✓ |
| Stars | 70 | 0.03 | 1.8 | ✓ |
| Capabilities | 0 | 0.08 | 0.0 | - |
| Integrations | 0 | 0.07 | 0.0 | - |
| Dependent projects | 0 | 0.06 | 0.0 | ✓ |
| Security posture | 5 | 0.07 | 0.0 | - |
| Package downloads | 0 | 0.14 | 0.0 | - |
| Security score | 0 | 0.04 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.