eSigns
6.5#42 in e-signature softwareFrom $9.99 a monthWebAPI
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| Fact | eSigns | OpenSign |
|---|---|---|
| API access | Yes | Yes |
| Audit trail | The CLM page says each view, edit, approval, and signature is logged with who performed it and when. | Yes |
| Bulk sending | Yes | Yes |
| Document templates | Yes | Yes |
| Free plan | No | Yes |
| Integrations | The CLM page lists Salesforce, HubSpot, Pipedrive, Google Drive, SharePoint, Dropbox, Slack, Teams, Notion, REST API, webhooks, and Zapier. | The Professional plan lists Zapier integration, Dropbox import and custom Gmail or SMTP sending. |
| Product | eSigns combines electronic signatures, document workflow automation, and document management in a cloud platform. | OpenSign describes itself as an open-source PDF e-signature solution for signing, storing, and securing documents. |
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.