Assembly Line

Pdfsign

Add/verify Advanced Electronic Signature (AES) and Qualified Electronic Signature (QES) in PDF (using pure Go)

Pdfsign is an open-source document signing library project on GitHub under the BSD-2-Clause license (permissive), with 171 stars. It is built with Go. Its last push was 7 days ago.

Stars
171
License
BSD-2-Clause
Activity
Active
Latest release
v1.0.0

Code on GitHub

Judgement

What it is
Building block
What it does
A pure Go library and CLI for adding and verifying advanced and qualified electronic signatures in PDFs.
Adopt it when
A Go service must sign or verify PDFs to eIDAS levels.
Watch out
Small project; qualified signatures still need a qualified certificate and device.
Ready for
Usable
Runs as
Library and command line
Built with
Go
How established
Established: started 4 years ago, latest release v1.0.0.
What the license allows
You can build it into a product you sell, as long as you keep its copyright notice.

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

Built from

Go

Follow it down: Pdfsign → Go → 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.