I, Librarian Hosted is an online service that will organize your collection of PDF and office files.

Is I, Librarian for you?

I, Librarian is a PDF manager or PDF organizer, which enables researchers, scholars, or students to create an annotated collection of PDF articles. If used as a groupware, users may build their virtual library collaboratively, sharing the workload of literature mining. I, Librarian will make your work with scientific literature incredibly efficient.

Start Using Now

What can it do?

I, Librarian enables cataloging, annotating, browsing and fast searching in reference data and PDF files. The program is also an advanced tool to mine scientific literature from PubMed, PubMed Central, NASA ADS, arXiv, IEEE Xplore, HighWire Press, and Springer. I, Librarian contains its own PDF viewer with annotating capabilities.

More features


I, Librarian is offered as an online service. There is no software to install. Everything runs in a browser out of the box. The application behind our service is open-source, which means no customer lock-in, no proprietary formats or technology involved. There is no risk in committing to use I, Librarian. All the results of your hard work are yours forever.

Source Code

Start using I, Librarian now and get the first month free!

The most convenient solution to your paper management needs starting at $2.50 per month.

Using our software online has many advantages.

No software to install

You only need a web browser. No need to have special IT skills or personnel to install, test, patch, or upgrade our software.

I, Librarian runs on any OS

If your company or lab has a multitude of different computing devices and operating systems, I, Librarian Hosted is the perfect solution.

I, Librarian runs on any device

No need for powerful hardware. With online usage, you use our computing power and our storage to create your PDF collection.

Collaboration the right way

I, Librarian is suitable for individual users, but it works best as a groupware. Seamlessly add or remove collaborators or employees whenever you want.

No need to sync

There is no need to synchronize the library between different users or computers. All users work with one library in real time.

Create large libraries

You can create collections for hundreds of users with tens of thousands of PDF files. If you need more speed, we will place your library on a separate server.

No customer lock-in

I, Librarian uses open source software. We use no proprietary technology. You are free to export your library at any time.

Metered billing

We have no artificial plans that you would never use to their full capacity. Pay only for your number of users and the size of your library.

Access from anywhere

This one is obvious. Access your library over the net from everywhere. However, restricted access to certain IP numbers is also available.