DocumensoPrepare documents, request signatures and track their completion.
Free and open source (AGPL-3.0 licence per GitHub).
Notes, tasks & docs
OpenSign
Free optionOpen sourceBrowser
Request document signatures and track signing progress on your own server.
What you can use it for
Request document signatures and track signing progress on your own server.
- Full document signing workflows with customizable PDF signature, initial, date, and text fields.
- Self-hostable with Docker for 100% data sovereignty and unlimited free document execution.
- Complete cryptographic audit trail certificates verifying completion timestamp and signer IP.
Workflow coverage and comparison notes
Open-source digital signature workflow, document annotations, and audit certificates without recurring seat costs. Free and open-source document signing solution supporting self-hosting, PDF annotations, and legally valid signatures without commercial signature limits. Free open-source document signing solution alternative to DocuSign Enterprise. OpenSign features multi-party signing, PDF field templating, webhook notifications, and tamper-evident audit trails with no monthly envelope quotas.
Before you switch
Self-hosting requires Node.js/Docker and object storage setup; cloud managed tier has subscription tiers.
Alternatives to these paid apps
Each comparison covers the workflow described above, rather than every paid feature.
More for the same workflow
See alternatives →Documenso
DocuSealPrepare digital forms, collect signatures and manage signed documents.
Free Cloud Basic: 10 request emails/month · Free self-hosted manual signing: hosting, storage and SMTP extra