Helper Systems – bringing knowledge to life

kOS makes information
in PDFs easier to discover
and a lot more fun to use.

Save Time, Discover More

Download Free App

Easily search within and across all your PDF files.

Navigate to relevant data using World Cloud.

Discover new topics and ideas with Word Occurrences.

“I use PDFs a lot, and most of the applications that I use for PDFs are cumbersome at best.
kOS makes a lot of intuitive sense to me. I’m very intrigued.”

Dr. Kevin Wehr

Professor, Cal State Sacramento

“I want kOS now! Every student will want kOS.”

James Wiser

Dean of Library Services & Educational Technology
Abilene Christian University

"The PDF is likely to remain the standard tool for preserving scholarly information.
A program such as kOS will give users the ability to give added value to their research
and will surely find a home with scholars around the world.”

Terry Ballard

Information Today

"kOS 1.0 is amazing! Where has this been all my life? I’m dumbstruck."

Alastair Williams

Professor of History, Humanities & Social Sciences
Clarkson University

Connect with Us

© 2022-2023 Helper Systems. All rights reserved. Patents pending.