ImageKit
Image and Video API plus AI-powered DAM
OpenSign™
Enterprise-Level Document Signing Goes Open-Source
Updated February 2026
| ImageKit | OpenSign™ | |
|---|---|---|
| Rating | 5.0★ | 4.0★ |
| Reviews | 6 | 2 |
| Pros | 13 | 0 |
| FactScore™ | 42.3 | 19.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in ImageKit — Pros
Easy integration Improves website performance Fast CDN Good for marketing teams Real-time resizing Batch background removal Enhances user experience Format optimization Free tier Global CDN Image resizing Media library management Simple implementationBoth tools — Pros
—Only in OpenSign™ — Pros
No unique pros listedOnly in ImageKit — Cons
—Both tools — Cons
—Only in OpenSign™ — Cons
—Details
| ImageKit | OpenSign™ | |
|---|---|---|
| Categories | Team collaboration software, File storage and sharing apps | File storage and sharing apps, PDF Editor, E-signature apps |
| Platforms | Web | Web |
| Became Popular | September 12, 2017 | October 26, 2023 |
| Website | imagekit.io | www.opensignlabs.com |
Who Should Pick Which?
Choose ImageKit if...
- Easy integration
- Improves website performance
- Fast CDN
Choose OpenSign™ if...
- No unique pros listed
With a FactScore™ of 42.3 vs 19.1, ImageKit leads in community reception. ImageKit uniquely offers Easy integration and Improves website performance, while OpenSign™ stands out for No unique pros listed.
What Users Say
ImageKit
ImageKit is a solid choice for optimizing images and managing media for web and mobile applications. It offers features like real-time resizing, format optimization, and global CDN delivery, which ...
It was easy to integrate and our website performance has been fantastic ever since we implemented it.
Great pricing and easy implementation.
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.
Related Comparisons
Frequently Asked Questions
Which is better, ImageKit or OpenSign™?
Based on FactScore™, ImageKit leads with a score of 42.3 vs 19.1. ImageKit has a higher rating of 5.0★ compared to 4.0★.
What are the pros of ImageKit compared to OpenSign™?
ImageKit uniquely offers: Easy integration, Improves website performance, Fast CDN, Good for marketing teams, Real-time resizing.
What are the pros of OpenSign™ compared to ImageKit?
OpenSign™ uniquely offers: No unique pros listed.
Is ImageKit better rated than OpenSign™?
ImageKit is rated 5.0★ from 6 reviews. OpenSign™ is rated 4.0★ from 2 reviews.
What is the FactScore™ of ImageKit and OpenSign™?
FactScore™ weighs rating and review volume together. ImageKit scores 42.3 and OpenSign™ scores 19.1.
Don't Get Fooled by Fake Social Media Videos
The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.
Try FactCheckTool Free