Currently with Roomle you can embed your plans completely for free into your website or blog. Simply go to www.roomle.com and login to your account. Open the plan you want to embed and then click on the 'Share' button.
Here you can easily copy the embed code which needs to be integrated into your website.
Once you're finished editing the plan, click on the 'X'-button and the following message will appear:
To save the plan you need to login or register - otherwise click on 'Discard'. If you're already logged in, the plan will be automatically saved to your account.