Best E-Signature (2026)
Sign and send documents legally online.
E-signature tools collect legally binding signatures on documents without printing or scanning. The open-source alternative here gives you the same signing flow and audit trail while keeping contracts on your own servers — a real difference for legal, HR, and finance teams.
Switching from a specific tool?
Open-source DocuSign alternative for self-hosted digital document signing with no per-envelope fees.
Open sourceSelf-hostFree / self-hostAGPL-3.011k★
- AGPL-licensed with full self-hosting — signing data never leaves your own infrastructure
- Per-seat cloud pricing with no per-document or per-envelope fees at any volume
- AGPL-3.0 license requires sharing modifications if you distribute the software commercially
Market-leading e-signature platform trusted by enterprises for legally binding document workflows.
Proprietaryfrom $10/moProprietary
- Widely recognized brand gives recipients immediate trust before they open the document
- Deep native integrations with Salesforce, SAP, and Microsoft 365 require no custom code
- Per-envelope allowances on lower plans fill up quickly; overage charges are not prominently flagged
FAQ
What is the best e-signature tool?
Documenso is a top pick: Open-source DocuSign alternative for self-hosted digital document signing with no per-envelope fees.
Are there free or open-source e-signature tools?
Yes — Documenso are open source and most can be self-hosted.