Compare software

PodpisujOpenSign
Freemium

Basic features are free; advanced features and timestamp bundles are paid.

 Freemium

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

Windows, macOS, Linux Web, Self-hosted
  • Batch electronic signing
  • Qualified signature verification
  • Self-hostable, so signed documents and audit trails stay with you
  • Templates, signing order and an API for integration
  • Advanced features require a paid plan
  • Includes an evidentiary server component
  • Legal weight of signatures depends on your jurisdiction and configuration
  • Younger and less polished than the commercial services
Downloadable app, Hosted service Self-hosted, Web application
Closed source Open source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked September 22, 2026

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