Recently, Apirone launched plugins for:

[apirone]

Bitcoin WordPress WooCommerce plugin - https://apirone.com/integrations/woocommerce
OpenCart 3 plugin to accept BTC - https://apirone.com/integrations/opencart-3
Bitcoin VirtueMart plugin - https://apirone.com/integrations/virtuemart

Now, OpenCart 2.3 users can start accepting bitcoins freely and without constraints.
https://apirone.com/integrations/opencart-2

For those who are not aware, the Apirone plugin allows you to accept bitcoins in your store without any registration, account or obligation to complete a KYC/Documentation. This is made possible by the fact that with Apirone, you receive only bitcoins, not fiat money.

Also, we only charge a fixed fees for each transaction (0.0002 BTC), and not a 1% commission like most competitors