You followed a link to buy eBlocker products and we got great news for you:

eBlocker is now Open Source and completely free.

eBlocker users who want to upgrade to open source support, can use license key “FAMLFT-OPENSOURCE“. Free manual updates are included.

A license key for daily automatic updates is provided to all donors supporting the project. This is to cover the operating costs of the non-profit project.

More about free anonymous surfing with eBlocker.