Kleeja vs PairDrop

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?
FeatureKleejaPairDrop
Deploy effortRead-the-docs project≈5-minute setup
Health score75 · Good67 · Good
CategoryFile Sync & StorageFile Sync & Storage
LicenseGPL-3.0GPL-3.0
LanguagePHPJavaScript
Setup difficultyEasyEasy
Min. RAM128 MB64 MB
Deploymentbare-metaldocker, bare-metal
GitHub stars★ 193★ 11,459
First released20062022
ReplacesWeTransferAirDrop, WeTransfer

What are Kleeja and PairDrop?

Kleeja

Kleeja is a long-running PHP application for uploading and sharing files and images. It supports multiple languages, themes, and a plugin system for extension.

  • Plugin and theme system
  • Multilingual interface
  • Long-standing project

PairDrop

PairDrop is an enhanced fork of Snapdrop that adds device pairing across networks and the internet. It enables easy, encrypted peer-to-peer file transfer between paired devices.

  • Cross-network device pairing
  • Paste and share text
  • WebRTC encrypted transfer

Kleeja vs PairDrop: key differences

Kleeja is written in PHP, while PairDrop is built with JavaScript. PairDrop is the lighter option, starting around 64 MB of RAM against 128 MB for Kleeja. Kleeja is the more established project (first released 2006), while PairDrop arrived in 2022. PairDrop has the considerably larger community, at 11,459 GitHub stars versus 193. PairDrop lists first-class Docker deployment; Kleeja does not.

Why pick each one

Choose Kleeja if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in PHP
  • Tiny footprint — runs in 128 MB RAM
Kleeja details

Choose PairDrop if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Mature project with 11.5k GitHub stars
PairDrop details

Frequently asked questions

Is Kleeja or PairDrop better?

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

Are Kleeja and PairDrop free and open-source?

Yes. Kleeja is licensed under GPL-3.0 and PairDrop under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Kleeja and PairDrop with Docker?

Kleeja: check the project docs for container support. PairDrop: yes.

Which is lighter on resources, Kleeja or PairDrop?

PairDrop has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Kleeja. Real-world usage depends on library size, user count, and enabled features.

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