Compare software

SkribbleOpenSign
Paid

Paid service with a free trial.

 Freemium

The open-source software is free to self-host. A hosted plan is paid.

Web Web, Self-hosted
  • Supports QES, FES and EES signature levels
  • Hosted in Germany with GDPR compliance
  • Self-hostable, so signed documents and audit trails stay with you
  • Templates, signing order and an API for integration
  • Requires an account and an internet connection
  • Paid after the trial
  • Legal weight of signatures depends on your jurisdiction and configuration
  • Younger and less polished than the commercial services
Web application, Hosted service Self-hosted, Web application
Closed source Open source
License not stated License not stated
Account needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.