| Software | Cost | Activation Method | Best For | | :--- | :--- | :--- | :--- | | | Hardware-locked or paid | Hardware ID or purchased code | Legacy Q-NEX boards | | OpenBoard | Free (Open Source) | No activation needed | Teachers on a budget | | Microsoft Whiteboard | Free with Windows | Sign in with Microsoft account | Collaboration & Microsoft 365 schools | | Explain Everything | Subscription ($) | User email/password | Advanced interactive lessons |