Prospero – Business Proposals, eSign & Quotes

Legally-binding e-signature for Brazil: OTP, biometrics, ICP-Brasil, multi-signer envelopes, audit log, WP-CLI, WooCommerce.

Cryptographic content integrity for WordPress — hashing, signing, RFC 3161 timestamps, Rekor transparency log, and DANE corroboration.

Collect customer approval for custom orders before production.

Add a digital signature field to Contact Form 7. Let visitors draw or type their signature and receive it automatically as a PNG image attachment.

Converts Contact Form 7 into a signable form with a digital signature field for mouse and touchscreen devices.

The smart agreements plugin helps to create a agreement/contract and digital signature