Head-to-head · E-Signature Software
Documenso vs OpenSign
Documenso leads on 0 checks, OpenSign on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreDocumenso · 7.7/10
- Free planboth
- Most featuresOpenSign · 5 of 5
Documenso scores higher on our rubric for e-signature software: 7.7 against 5.0 out of 10; our editors rank them #17 and #45.
Documenso is the better fit for open-source teams needing auditable API signing. OpenSign is the better fit for self-hosters wanting a free open-source option.
- Documenso fits best
Open-source teams needing auditable API signing
- OpenSign fits best
Self-hosters wanting a free open-source option
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Side by side
| Feature | Documenso 7.7/10 Visit ↗ | OpenSign 5.0/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.7 | 5.0 |
| Ranking | #17 in E-Signature Software | #45 in E-Signature Software |
| Best for | Open-source teams needing auditable API signing | Self-hosters wanting a free open-source option |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $25/mo | — |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud, Self-hosted, Browser extension | Cloud, Self-hosted, Browser extension |
| Platforms | Web | Web, Windows, macOS, Linux |
| Support | Email, Community, Docs | Email, Community, Docs |
| Compliance | SOC 2, GDPR, HIPAA, SSO/SAML, 2FA | 2FA |
| Integrations | 3 integrations | 4 integrations |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market, Enterprise |
| Features Documenso 4/5 · OpenSign 5/5 | ||
| Audit trail | ✓ | ✓ |
| Document templates | ✓ | ✓ |
| Bulk sending | ✓ | ✓ |
| API access | ✓ | ✓ |
| SMS authentication | Not checked yet | ✓ (best) |
| Specs | ||
| Signature order | Both | Both |
| Our review | ||
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| Our verdict | Documenso is an open-source electronic signature platform for individuals, teams, and organizations that need to send, sign, and manage PDF documents. It supports recipient roles, signing fields, sequential or parallel workflows, reusable… Read the review → |
OpenSign is an open-source electronic-signature platform for individuals, teams, developers, and organizations that need to send, sign, store, and manage PDF documents. It supports drawn, typed, uploaded, and saved signatures, reusable… Read the review → |
Strengths and trade-offs
Documenso — where it wins
- Self-hosted deployment with an open-source platform
- Detailed audit logs and digital sealing for completed PDFs
- Templates, bulk sending, APIs, and embedded signing
Where it doesn't
- Integration options are limited to React, Vue, and Zapier
- The Free plan allows 5 documents per month
- SMS is not offered as an authentication method
OpenSign — where it wins
- Free plan includes unlimited e-signatures and completion certificates.
- Supports templates, routing, bulk sending, embedded signing, and public links.
- REST API and self-hosting support automation and deployment control.
Where it doesn't
- Signer verification is email OTP rather than SMS authentication.
- Listed integrations are limited to Dropbox and Zapier.
- Professional includes 100 monthly credits for paid workflows.
- Documenso7.7/10 · Free plan
A strong fit for open-source teams that need APIs, audit logs, and self-hosting.
Visit DocumensoFull verdict → - OpenSign5.0/10 · Free plan
A capable open-source signing platform with strong automation and limited integrations.
Visit OpenSignFull verdict →
All E-Signature software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update