
OPSWAT Filescan's Sandbox is a nifty little collection of tools you can use to further analyze file security threats. I find it pretty speedy, also, and that makes it more desirable. Review collected by and hosted on G2.com.
I would really like for the 100MB filesize restriction to be updated for the community edition. By today's standards this has become more restrictive. Review collected by and hosted on G2.com.