# OpenSign vs Zoho Sign

**Leader by Vioscale score:** Zoho Sign

| Attribute | OpenSign | Zoho Sign |
|---|---|---|
| **Vioscale score** | 37.4 (47% (low)) | 49.2 (77% (high)) |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | An open-source solution that enables secure signing, storage, and management of digital documents, offering a no-cost alternative to commercial e-signature services. | A cloud-based service for creating and managing electronic signatures on business documents with legal validity in most countries. Supports qualified digital certificates, multi-signer workflows, payment collection, and compliance across borders. |
| integrations.count | 1 | 5 |
| integrations.list | `[{"name":"Zapier"}]` | `[{"name":"REST API"},{"name":"Zoho CRM"},{"name":"Zoho Creator"},{"name":"Zoho Books"},{"name":"Zoho Catalyst"}]` |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"IN","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","features":["Unlimited e-signatures","Invite and collaborate","Completion certificates with access logs","Secure document storage","Multi-signer support","Email OTP verification for guest signers","Document expiration settings","API access"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Unlimited signatures with document storage","contactSales":false,"includedLimits":{"signatures":"unlimited/month"}},{"free":false,"name":"Professional","features":["Advanced features"],"description":"Paid tier with advanced professional features","contactSales":false}],"summary":"Free tier with unlimited signatures. Professional paid plans available (pricing not publicly listed).","freeTier":true,"sourceUrl":"https://www.opensignlabs.com","retrievedAt":"2026-08-19T09:05:11.948Z","billingPeriods":["month","year"]}` | `{"type":"freemium","plans":[{"free":true,"name":"Free","summary":"Free for up to 5 documents/month","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"For individuals","contactSales":false,"includedLimits":{"documents_per_month":"5"}},{"free":false,"name":"Paid Plans","description":"For businesses","contactSales":false}],"summary":"Free tier available; paid plans at undisclosed per-user/month rate","currency":"USD","freeTier":true,"sourceUrl":"https://www.zoho.com/sign/","retrievedAt":"2026-08-19T09:04:38.317Z","freeTrialDays":14,"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.transparent | no | - |
| security.gdpr | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |

## Capabilities (Esignature)

| Capability | OpenSign | Zoho Sign |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Qtsp | - | - |
| Esign ueta | - | - |
| Cfr part11 | - | - |
| Audit trail | - | - |
| In person signing | - | - |
| Embedded API | - | - |
| Bulk send templates | - | - |
| SOC2 | - | - |
| HIPAA available | - | - |
| Ron | - | - |

*Source: Vioscale. Generated 2026-09-01T16:58:29.299Z. "-" = undocumented, not absent.*