Assembly Line

DocuSeal

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

DocuSeal is an open-source e-signature project on GitHub under the AGPL-3.0 license (network copyleft), with 19k stars. It is built with Ruby, Core, Tailwindcss and Postgres. Its last push was today.

Stars
19k
License
AGPL-3.0
Activity
Active
Latest release
3.3.5

Code on GitHub Website

Judgement

What it is
Complete system
What it does
Creates fillable PDF forms and sends them for online signing on any device, with audit trails, templates, an API and embedding.
Adopt it when
You want DocuSign-style e-signatures without per-envelope fees and can run a Docker container.
Watch out
Some features such as SSO and advanced branding are in the paid Pro tier; check legal validity of e-signatures in your jurisdiction.
Ready for
Production-ready
Runs as
Self-hosted server and cloud service
Built with
Ruby, Rails, Vue, PostgreSQL and Sidekiq
How established
Established: started 3 years ago, latest release 3.3.5.
What the license allows
Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Compare DocuSeal

Built from

Follow it down: DocuSeal → Ruby → GCC → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.