Signaturepdf

Judgement

What it is

Complete system

What it does

A web app for signing PDFs alone or with others, and for merging, reordering, compressing and editing PDF metadata.

Adopt it when

An organisation wants simple self-hosted PDF signing and page tools, for example on YunoHost.

Watch out

Signatures are visual, not qualified electronic signatures with legal certificates.

Ready for

Usable

Runs as

Self-hosted server

Built with

PHP and JavaScript

How established

Established: started 5 years ago, latest release v1.11.0.

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 Signaturepdf

Built from

Follow it down: Signaturepdf → V8 → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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