you will run into issues with these 2:
Photo Assist was discontinued some time ago.
Site Assist has been replaced by Site Sculptor, you will need to upgrade to the new site Sculptor version.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.