OpenSign
8.4#1 in e-signature softwareFrom $9.99 a monthFree planWebAPILinuxmacOS
VisitOpenSign vs Signority API
Signority API
7.2#7 in electronic signature apisFrom $129 a yearFree planWebAPISelf-hostedWindows
VisitWhat both publish
| Fact | OpenSign | Signority API |
|---|---|---|
| Bulk sending | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | The Professional plan lists Zapier integration, Dropbox import and custom Gmail or SMTP sending. | Signority offers online integrations with over 700 apps through paid plans at no extra cost. |
| Product | OpenSign describes itself as an open-source PDF e-signature solution for signing, storing, and securing documents. | Signority provides eSignature and document workflow solutions for businesses worldwide. |
OpenSign plans
- FreeFree
- Professional$9.99 a month
- Teams$19.99 a month
- EnterprisePriced on request
Signority API plans
- FreeFree
- Individual$12 a month
- Standard Team$28 a month
- Advanced$55 a month
- Individual$129 a year
- Standard Team$302.40 a year
Pick OpenSign if…
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.
Pick Signority API if…
Signority API suits businesses and developers connecting eSignature workflows to other services. Its sandbox, sample code, and signing options may be useful during integration planning.