OpenSign™
Enterprise-Level Document Signing Goes Open-Source
Sinosend
Time to graduate from WeTransfer. Send files, win deals.
Updated February 2026
| OpenSign™ | Sinosend | |
|---|---|---|
| Rating | 4.0★ | 5.0★ |
| Reviews | 2 | 12 |
| Pros | 0 | 9 |
| FactScore™ | 19.1 | 55.7 |
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 Sinosend — Pros
Custom branding Custom domain support Good dashboard Good support team Large file handling Multiple regions for datas Notification Upload folder White labelOnly in OpenSign™ — Cons
—Both tools — Cons
—Only in Sinosend — Cons
—Details
| OpenSign™ | Sinosend | |
|---|---|---|
| Categories | File storage and sharing apps, PDF Editor, E-signature apps | File storage and sharing apps, Sales enablement |
| Platforms | Web | Web |
| Became Popular | October 26, 2023 | November 3, 2025 |
| Website | www.opensignlabs.com | sinosend.com |
Who Should Pick Which?
Choose OpenSign™ if...
- No unique pros listed
Choose Sinosend if...
- Custom branding
- Custom domain support
- Good dashboard
With a FactScore™ of 19.1 vs 55.7, Sinosend leads in community reception. OpenSign™ uniquely offers No unique pros listed, while Sinosend stands out for Custom branding and Custom domain support.
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.
Sinosend
Custom branding / white-label experienceSinosend lets you use your own logo, background, and prepare download pages that feel like they belong to your brand, rather than generic transfer links.For ...
Affordability & reliability mainly.
I chose Sinosend over other platforms because it delivers everything I need in one place—professional branding tools, reliable large file transfers, and a smooth, intuitive interface. Competing ser...
Related Comparisons
Frequently Asked Questions
Which is better, OpenSign™ or Sinosend?
Based on FactScore™, Sinosend leads with a score of 55.7 vs 19.1. Sinosend has a higher rating of 5.0★ compared to 4.0★.
What are the pros of OpenSign™ compared to Sinosend?
OpenSign™ uniquely offers: No unique pros listed.
What are the pros of Sinosend compared to OpenSign™?
Sinosend uniquely offers: Custom branding, Custom domain support, Good dashboard, Good support team, Large file handling.
Is OpenSign™ better rated than Sinosend?
OpenSign™ is rated 4.0★ from 2 reviews. Sinosend is rated 5.0★ from 12 reviews.
What is the FactScore™ of OpenSign™ and Sinosend?
FactScore™ weighs rating and review volume together. OpenSign™ scores 19.1 and Sinosend scores 55.7.
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