Plugins
Signature Field for Elementor Form v1.7.0
The Digital Signature add-on allows you to add a digital signature field to your contact forms, enabling users to sign forms electronically.
Plugins
WP E-Signature - Digital Signature for WordPress + Addons v1.9.2
WordPress plugin for signing documents. WordPress E-Signature makes signing documents with your WordPress site easy, fast and secure.
Plugins
Signature Field for Contact Form 7 v1.4.0
The Digital Signature add-on allows you to add a digital signature field to your contact forms, enabling users to sign forms electronically.