croc vs Pingvin Share

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?
FeaturecrocPingvin Share
Deploy effortRead-the-docs projectUnder-an-hour setup
Health score99 · Excellent15 · At risk
StatusActively maintainedArchived
CategoryFile Sync & StorageFile Sync & Storage
LicenseMITBSD-2-Clause
LanguageGoTypeScript
Setup difficultyEasyEasy
Min. RAM32 MB256 MB
Deploymentbinarydocker
GitHub stars★ 40,431★ 4,668
First released20182022
ReplacesWeTransfer, AirDropWeTransfer, Firefox Send

What are croc and Pingvin Share?

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 →

Pingvin Share

Pingvin Share is a self-hosted file sharing platform with a clean interface, designed as an alternative to WeTransfer and Firefox Send. It supports expiring shares and password protection.

  • Expiring share links
  • OAuth and LDAP login
  • Password-protected shares

croc vs Pingvin Share: key differences

The biggest difference is maintenance: Pingvin Share's repository is archived and no longer developed, while croc is actively maintained. Croc is written in Go, while Pingvin Share is built with TypeScript. Licensing differs — MIT for croc versus BSD-2-Clause for Pingvin Share. Croc is the lighter option, starting around 32 MB of RAM against 256 MB for Pingvin Share. Croc is the more established project (first released 2018), while Pingvin Share arrived in 2022. Croc has the considerably larger community, at 40,431 GitHub stars versus 4,668. Pingvin Share lists first-class Docker deployment; croc does not.

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 Pingvin Share if…

  • Released under the BSD-2-Clause license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (4.7k GitHub stars)
Pingvin Share details

Frequently asked questions

Is croc or Pingvin Share 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 Pingvin Share free and open-source?

Yes. croc is licensed under MIT and Pingvin Share under BSD-2-Clause. Both can be self-hosted at no software cost.

Can I run croc and Pingvin Share with Docker?

croc: check the project docs for container support. Pingvin Share: yes.

Which is lighter on resources, croc or Pingvin Share?

croc has the smaller minimum footprint at 32 MB of RAM, compared to about 256 MB for Pingvin Share. Real-world usage depends on library size, user count, and enabled features.

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