Here are some links to pages with useful information about EDIUS.
Free Vitascene LE
Visit here: https://www.edius.net/promo and enter your EDIUS 9 serial number to claim a free copy of Vitascene 3LE – assuming you bought your copy of EDIUS 9 in the qualifying period.
Download latest version of plug-ins
There is also a list of plug-ins you can download here: https://www.edius.net/download_plug-ins.html for EDUS 9. For some plug-ins you may have to visit the software makers website.