CaCl2Backup vs UltraBackup
CaCl2Backup
github.comUltraBackup
github.comSide by side
| Figure | CaCl2Backup | UltraBackup |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 0 |
| Spec score · Minecraft Backup Software | 8.2 (#6) | 6.7 (#22) |
| Compatibility | The stated requirements are Minecraft 26.0+ in the 26.x series, Fabric Loader 0.15.0+, Fabric API, and Java 25+. | The project lists Bukkit 1.13+, Spigot 1.13+, and Paper 1.13+ as compatible. |
| License | The project lists the MIT license. | The repository's MIT license permits use, copying, modification, distribution, sublicensing, and sale, subject to its stated conditions. |
| Purpose | CaCl2Backup is a Minecraft server backup mod designed for Fabric. | The README describes UltBackup as a Bukkit, Spigot, and Paper plugin for automated Minecraft server backups. |
| Restore | It restores world saves from backups, and restore operations overwrite the current world save. | The `/restore` command schedules restoration and shuts down the server to perform it. |
| Retention | Automatic cleanup can apply both a maximum backup count and maximum backup age; the documented defaults are 10 backups and 7 days. | It can delete older backups automatically, with the example configuration keeping the last 10 locally. |
| Security | The project changelog says it added Zip Slip path-traversal protection and backup-name path filtering. | The README says SFTP transfers are encrypted and warns that FTP is unencrypted and not recommended for the public internet. |
| Support | The repository page lists zero open issues when viewed. | The README directs users to server console errors, configuration checks, credential checks, and its troubleshooting guide for help. |
Plans
In their own words
CaCl2Backup
CaCl2Backup is a Fabric mod for backing up Minecraft Java server worlds. It can create backups on an interval, on a daily schedule, or when the server stops, and those triggers can be combined. Backups are written to temporary output, checked with CRC verification, and published only after validation. Automatic cleanup can limit both the number of backups and their age. Operators can use /backup commands to create, list, restore, and delete backups; all commands require OP privileges. Restoring replaces the current world save, with safeguards described for validating level.dat and handling failed swaps. Configuration can be reloaded without restarting the server. Backups are stored locally, and the documented restore granularity is a full backup. Installation requires putting the mod JAR in the server’s mods folder after installing Fabric Loader and Fabric API. The stated requirements are Minecraft 26.0+ in the 26.x series, Fabric Loader 0.15.0+, Fabric API, and Java 25+. The project identifies its license as MIT.
UltraBackup
UltraBackup has no write-up on Specifiction yet; its figures are above.