Compare software

airSlate SignNowOpenSign
Paid

Paid plans with a free trial that does not require a credit card.

 Freemium

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

Android, iOS, Web Web, Self-hosted
  • Signing and sending for signature from a browser or phone
  • Templates and bulk sending
  • Self-hostable, so signed documents and audit trails stay with you
  • Templates, signing order and an API for integration
  • Paid service after the trial
  • Documents are stored with a hosted provider
  • 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
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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