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Open-EIDinfocert-sign
Free

Free to download from the official ID.ee site.

 Freemium

A free tier is available; PRO and Business licenses are paid.

Windows, macOS, Linux, Android, iOS, Browser extension Windows, macOS, Android, iOS, Web
  • Official package with drivers, web components and DigiDoc4
  • Installers for Windows, macOS and Ubuntu
  • Signs and verifies PDF and P7M files
  • Provides desktop, web, and mobile options
  • Only useful with an Estonian ID card
  • Linux support focused on Ubuntu
  • Some features require PRO or Business licenses
Downloadable app, Browser extension Downloadable app, Web application, Hosted service
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked October 8, 2026

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