OpenSign
8.4#1 in e-signature softwareFrom $9.99 a monthFree planWebAPILinuxmacOS
VisitOpenSign vs Zoho Sign
What both publish
| Fact | OpenSign | Zoho Sign |
|---|---|---|
| API access | Yes | Yes |
| Audit trail | Yes | Yes |
| Bulk sending | Yes | Yes |
| Documentation | The official documentation includes user help, API references, contribution guidance and self-hosting instructions. | The help center provides user, administrator, integration, API and legal guides, FAQs, forums, blogs and webinars. |
| Document templates | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | The Professional plan lists Zapier integration, Dropbox import and custom Gmail or SMTP sending. | Official integrations include Zoho CRM, Forms, Writer, Desk, People, Recruit, Books, Microsoft 365, Teams, Outlook, OneDrive, Google Workspace, Gmail, Google Drive, Dropbox, Box, HubSpot, Pipedrive, Zapier, Make and Power Automate. |
| Licence | The source code and API documentation identify the project as licensed under GNU AGPL v3.0. | Zoho provides Sign as subscription cloud software under terms that restrict reverse engineering, redistribution and removal of proprietary notices; no open-source licence is stated. |
| Praise: ease of use | Independent reviewers repeatedly describe the interface as intuitive, simple, straightforward and easy to train others on. | G2 reviewers repeatedly describe Sign as fast, simple and easy to use for sending contracts and obtaining signatures. |
| Rating on Capterra | 4.7 out of 5 from 3 reviews. | 4.5 out of 5 from 97 reviews |
| Rating on G2 | 4.6 out of 5 from 12 reviews. | 4.4 out of 5 from 64 reviews |
| Rating on Gartner Peer Insights | Gartner Peer Insights lists OpenSign but shows no reviews yet. | 4.6 out of 5 from 164 ratings |
OpenSign plans
- FreeFree
- Professional$9.99 a month
- Teams$19.99 a month
- EnterprisePriced on request
Zoho Sign plans
- FreeFree
- API-only Premium$0.50, paid once
- Standard$10 a month
- Professional$16 a month
- Enterprise$22 a month
- CustomPriced on request
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 Zoho Sign if…
You want what its maker publishes above — check its page for the details.