Nota Sign
6.6#37 in e-signature softwareFrom $280 a yearWebAPI
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| Fact | Nota Sign | OpenSign |
|---|---|---|
| API access | Yes | Yes |
| Audit trail | Yes | Yes |
| Bulk sending | Yes | Yes |
| Document templates | Yes | Yes |
| Free plan | No | Yes |
| Integrations | The site describes API, SDK, and webhook connections for CRM, HR, procurement, collaboration, and internal systems. | The Professional plan lists Zapier integration, Dropbox import and custom Gmail or SMTP sending. |
| Intended users | The company describes the product for sales, legal, HR, and procurement teams, as well as regulated and cross-border workflows. | The documentation describes the product as designed for individuals and businesses, from startups to large corporations. |
You want what its maker publishes above — check its page for the details.
OpenSign may suit individuals and businesses that need PDF signing, reusable templates, or API-based signing workflows. It also offers self-hosting instructions for those who want to run it on Linux, macOS, or Windows.