in addiditon to my comment.
Both certificates are created to ensure authentication of a product. SSL is for websites while codesigning is for applications. both are based on a trust chain. Your SSL certificate is created by a CA (certificate authority) that is listed in the browser root store. A code signing certificate's CA is based in the OS root store.
There are no free code signing certificates. You'll need to spend money on that. Also they are time limited. It's not buy and forget. You'll have to renew them.