Form.io vs I, Librarian

A side-by-side comparison of two self-hosted document management options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureForm.ioI, Librarian
CategoryDocument ManagementDocument Management
LicenseMITGPL-3.0
LanguageJavaScriptPHP
Setup difficultyMediumMedium
Min. RAM1,024 MB512 MB
Deploymentdocker, sourcebare-metal
GitHub stars★ 2,308★ 346
First released20152025
ReplacesDocuSign, Jotform

Why pick each one

Choose Form.io if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Active community (2.3k GitHub stars)
  • Written in JavaScript
Form.io details

Choose I, Librarian if…

  • Released under the GPL-3.0 license
  • Written in PHP
  • Lightweight — runs in 512 MB RAM
I, Librarian details

Frequently asked questions

Is Form.io or I, Librarian better?

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

Are Form.io and I, Librarian free and open-source?

Yes. Form.io is licensed under MIT and I, Librarian under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Form.io and I, Librarian with Docker?

Form.io: yes. I, Librarian: check the project docs for container support.

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