croc vs XBackBone

A side-by-side comparison of two self-hosted file sync & storage options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeaturecrocXBackBone
Deploy effortRead-the-docs projectRead-the-docs project
Health score99 · Excellent83 · Excellent
CategoryFile Sync & StorageFile Sync & Storage
LicenseMITAGPL-3.0
LanguageGoPHP
Setup difficultyEasyEasy
Min. RAM32 MB50 MB
Deploymentbinarybare-metal
GitHub stars★ 40,431★ 1,169
First released20182023
ReplacesWeTransfer, AirDropWeTransfer

What are croc and XBackBone?

croc

croc is a tool that allows two computers to transfer files and folders simply and securely. It uses a relay with end-to-end encryption and a code-phrase system for pairing.

  • End-to-end encrypted transfers
  • Code-phrase pairing
  • Self-hostable relay server

Read the full croc guide →

XBackBone

Lightweight file manager with full ShareX support.

croc vs XBackBone: key differences

Croc is written in Go, while XBackBone is built with PHP. Licensing differs — MIT for croc versus AGPL-3.0 for XBackBone. Croc is the lighter option, starting around 32 MB of RAM against 50 MB for XBackBone. Croc is the more established project (first released 2018), while XBackBone arrived in 2023. Croc has the considerably larger community, at 40,431 GitHub stars versus 1,169.

Why pick each one

Choose croc if…

  • Simple code-phrase pairing
  • End-to-end encrypted
  • Resumable transfers

Watch out for

  • CLI only
  • Public relay by default
croc details

Choose XBackBone if…

  • Released under the AGPL-3.0 license
  • Easy to set up — beginner-friendly
  • Active community (1.2k GitHub stars)
  • Written in PHP
XBackBone details

Frequently asked questions

Is croc or XBackBone better?

Neither is universally better. croc has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are croc and XBackBone free and open-source?

Yes. croc is licensed under MIT and XBackBone under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run croc and XBackBone with Docker?

croc: check the project docs for container support. XBackBone: check the project docs for container support.

Which is lighter on resources, croc or XBackBone?

croc has the smaller minimum footprint at 32 MB of RAM, compared to about 50 MB for XBackBone. Real-world usage depends on library size, user count, and enabled features.

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