Documenso
The open source DocuSign alternative for sending documents to sign
Alternative toDocuSign
Documenso lets you upload a PDF, place signature fields and send it to people to sign, the job DocuSign is best known for. It is AGPL-3.0, can be self hosted, and is also sold as a hosted service with team plans.
Best for when
- you send contracts or agreements for signature every month
- you want signed documents and audit logs on your own server
- you want to trigger signing from your own app through an API
Watch out for
- simple electronic signatures are not enough for every document or country, so check the legal level you need
- self hosting needs your own signing certificate and reliable outgoing email
- it has far fewer ready made integrations than DocuSign
Signing without a per envelope bill
The flow is the familiar one: upload a contract, drag signature, date and text fields onto it, add recipients and a signing order, and send. Each signer gets an email link, and the finished PDF comes back with an audit log of who signed and when.
Beyond the basics it has reusable templates, direct links for documents anyone can sign, webhooks and an API, so you can trigger contracts from your own app. Because it is open source you can check exactly how the document and the signature are handled, which is hard to do with a closed signing service.
What switching from DocuSign means
Legal weight is the first question. A simple electronic signature like this is accepted for many everyday contracts in many countries, but some documents and some jurisdictions require advanced or qualified signatures tied to a verified identity. DocuSign sells those levels; check your own legal requirements before you replace it for everything.
Self hosting is a Node.js app with PostgreSQL and an SMTP server for the emails. You also need your own signing certificate to seal the documents, and your email deliverability decides whether signers ever see the link. DocuSign also has deep integrations with tools like Salesforce that you would need to rebuild through the API.
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