No official free version exists. ObjectDock 1.x had a free edition with fewer features. Any "ObjectDock 220 product key free" offer is a scam.
: If you are a subscriber to the Object Desktop suite , a single license key activates ObjectDock along with other tools like Fences and Start11. ObjectDock 2.20 Features objectdock 220 product key
Stardock ObjectDock 2 Product Key FREE Is Here - Google Groups No official free version exists