OpenSign™
Enterprise-Level Document Signing Goes Open-Source
Paperless.io
Boost productivity with document automation & e-signatures
Updated June 2026
| OpenSign™ | Paperless.io | |
|---|---|---|
| Rating | 4.0★ | 5.0★ |
| Reviews | 2 | 2 |
| Pros | 0 | 0 |
| FactScore™ | 19.1 | 23.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in OpenSign™ — Pros
No unique pros listedBoth tools — Pros
—Only in Paperless.io — Pros
No unique pros listedOnly in OpenSign™ — Cons
—Both tools — Cons
—Only in Paperless.io — Cons
—Details
| OpenSign™ | Paperless.io | |
|---|---|---|
| Categories | File storage and sharing apps, PDF Editor, E-signature apps | Productivity, Automation tools, E-signature apps |
| Platforms | Web | Web |
| Added | October 26, 2023 | February 24, 2022 |
| Website | www.opensignlabs.com | paperless.io |
Who Should Pick Which?
Choose OpenSign™ if...
- No unique pros listed
Choose Paperless.io if...
- No unique pros listed
With a FactScore™ of 19.1 vs 23.9, Paperless.io leads in community reception. OpenSign™ uniquely offers No unique pros listed, while Paperless.io stands out for No unique pros listed.
What Users Say
OpenSign™
I work as a freelancer, and one of my clients uses this tool for digitally signing all agreements between us. I decided to give it a try as well, and what I like most is how affordable it is while ...
The best digital signing solution, with a simple user interface that I really like. It also offers a self-hosting feature that other alternative tools don't provide.
Paperless.io
The UX is very intuitive and minimalistic, which I liked most. This tool can save lots of work hours in total - especially if you have coworkers who are not 'fluent' in dealing with office programs...
Paperless.io has automated many of our repetitive tasks, from document approvals to digital signatures.
Related Comparisons
Frequently Asked Questions
Which is better, OpenSign™ or Paperless.io?
Based on FactScore™, Paperless.io leads with a score of 23.9 vs 19.1. Paperless.io has a higher rating of 5.0★ compared to 4.0★.
What are the pros of OpenSign™ compared to Paperless.io?
OpenSign™ uniquely offers: No unique pros listed.
What are the pros of Paperless.io compared to OpenSign™?
Paperless.io uniquely offers: No unique pros listed.
Is OpenSign™ better rated than Paperless.io?
OpenSign™ is rated 4.0★ from 2 reviews. Paperless.io is rated 5.0★ from 2 reviews.
What is the FactScore™ of OpenSign™ and Paperless.io?
FactScore™ weighs rating and review volume together. OpenSign™ scores 19.1 and Paperless.io scores 23.9.
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