bup vs Syncthing

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeaturebupSyncthing
CategoryBackup & RecoveryFile Sync & Storage
LicenseLGPL-2.1MPL-2.0
LanguagePythonGo
Setup difficultyMediumEasy
Min. RAM128 MB128 MB
Deploymentbinarydocker, binary, bare-metal
GitHub stars★ 7,337★ 87,439
First released20102014
ReplacesTime MachineDropbox, Resilio Sync

Why pick each one

Choose bup if…

  • Released under the LGPL-2.1 license
  • Mature project with 7.3k GitHub stars
  • Written in Python
  • Tiny footprint — runs in 128 MB RAM
bup details

Choose Syncthing if…

  • No central server needed
  • Very private by design
  • Lightweight and reliable
Syncthing details

Frequently asked questions

Is bup or Syncthing better?

Syncthing is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider bup if its specific feature set fits your needs better.

Are bup and Syncthing free and open-source?

Yes. bup is licensed under LGPL-2.1 and Syncthing under MPL-2.0. Both can be self-hosted at no software cost.

Can I run bup and Syncthing with Docker?

bup: check the project docs for container support. Syncthing: yes.

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