SHSelfHostIndex

Resilio Sync alternative Onionshare vs Unison

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?
RE Resilio Sync alternative Onionshare Anonymous file sharing over the Tor network VS UN Unison Bidirectional file synchronizer with conflict detection
FeatureResilio Sync alternative OnionshareUnison
Deploy effortRead-the-docs projectRead-the-docs project
Health score91 · Excellent88 · Excellent
CategoryFile Sync & StorageFile Sync & Storage
LicenseGPL-3.0GPL-3.0
LanguagePythonOCaml
Setup difficultyMediumMedium
Min. RAM256 MB64 MB
Deploymentbinary, bare-metalbare-metal, binary
GitHub stars★ 7,098★ 5,493
First released20141999
ReplacesWeTransfer, DropboxDropbox

What are Resilio Sync alternative Onionshare and Unison?

Resilio Sync alternative Onionshare

OnionShare is an open-source tool that lets you securely and anonymously share files using the Tor network. It can also host websites and run a chat server accessible only as a Tor onion service.

  • Anonymous sharing over Tor
  • No central server needed
  • Host sites and chat anonymously

Unison

Unison is a mature bidirectional file synchronization tool that reconciles changes made independently on two replicas. It detects conflicts, preserves both versions, and works over SSH for secure remote syncing.

  • True bidirectional sync
  • Conflict detection
  • Works over SSH
  • Cross-platform replicas

Read the full Unison guide →

Resilio Sync alternative Onionshare vs Unison: key differences

Resilio Sync alternative Onionshare is written in Python, while Unison is built with OCaml. Unison is the lighter option, starting around 64 MB of RAM against 256 MB for Resilio Sync alternative Onionshare. Unison is the more established project (first released 1999), while Resilio Sync alternative Onionshare arrived in 2014.

Why pick each one

Choose Resilio Sync alternative Onionshare if…

  • Released under the GPL-3.0 license
  • Mature project with 7.1k GitHub stars
  • Written in Python
  • Tiny footprint — runs in 256 MB RAM
Resilio Sync alternative Onionshare details

Choose Unison if…

  • Very reliable
  • Fine-grained control

Watch out for

  • Dated GTK interface
  • Version matching between hosts
Unison details

Frequently asked questions

Is Resilio Sync alternative Onionshare or Unison better?

Neither is universally better. Resilio Sync alternative Onionshare has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Resilio Sync alternative Onionshare and Unison free and open-source?

Yes. Resilio Sync alternative Onionshare is licensed under GPL-3.0 and Unison under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Resilio Sync alternative Onionshare and Unison with Docker?

Resilio Sync alternative Onionshare: check the project docs for container support. Unison: check the project docs for container support.

Which is lighter on resources, Resilio Sync alternative Onionshare or Unison?

Unison has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for Resilio Sync alternative Onionshare. Real-world usage depends on library size, user count, and enabled features.

Related comparisons