Microsoft Office SharePoint Designer 2007 software is now all free for download and use. Previously, Microsoft was offering this product for limited trial period and subsequent purchase. 
It provides powerful tools you need to deliver compelling and attractive SharePoint sites.
You can quickly build workflow-enabled applications and reporting tools on the SharePoint platform, all in an IT-managed environment. Now with $0 Microsoft SharePoint Designer 2007 looks more attractive that ever before. You can view full product details and related videos on the download page. Download SharePoint Designer 2007 [via]