OpenSign™
Enterprise-Level Document Signing Goes Open-Source
Whirr
Easily build beautiful forms. For free.
Updated June 2026
| OpenSign™ | Whirr | |
|---|---|---|
| Rating | 4.0★ | 5.0★ |
| Reviews | 2 | 3 |
| Pros | 0 | 0 |
| FactScore™ | 19.1 | 30.1 |
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 Whirr — Pros
No unique pros listedOnly in OpenSign™ — Cons
—Both tools — Cons
—Only in Whirr — Cons
—Details
| OpenSign™ | Whirr | |
|---|---|---|
| Categories | File storage and sharing apps, PDF Editor, E-signature apps | Team collaboration software, Survey and form builders, E-signature apps |
| Platforms | Web | Web |
| Added | October 26, 2023 | April 4, 2024 |
| Website | www.opensignlabs.com | www.whirr.co |
Who Should Pick Which?
Choose OpenSign™ if...
- No unique pros listed
Choose Whirr if...
- No unique pros listed
With a FactScore™ of 19.1 vs 30.1, Whirr leads in community reception. OpenSign™ uniquely offers No unique pros listed, while Whirr 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.
Whirr
Whirr is perfect for creating forms tailored to your brand and specific requirements. For individuals like myself, who lack coding skills, its simplicity and straightforwardness are particularly be...
Whirr is a great option for creating forms quickly and easily. The free plan makes it easy to try, and may even be a long-term solution depending on your needs.
This app is incredibly useful, especially for those who frequently work with forms. It's fantastic that it's no-code and user-friendly.
Related Comparisons
Frequently Asked Questions
Which is better, OpenSign™ or Whirr?
Based on FactScore™, Whirr leads with a score of 30.1 vs 19.1. Whirr has a higher rating of 5.0★ compared to 4.0★.
What are the pros of OpenSign™ compared to Whirr?
OpenSign™ uniquely offers: No unique pros listed.
What are the pros of Whirr compared to OpenSign™?
Whirr uniquely offers: No unique pros listed.
Is OpenSign™ better rated than Whirr?
OpenSign™ is rated 4.0★ from 2 reviews. Whirr is rated 5.0★ from 3 reviews.
What is the FactScore™ of OpenSign™ and Whirr?
FactScore™ weighs rating and review volume together. OpenSign™ scores 19.1 and Whirr scores 30.1.
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