[bergstromm466]

https://backyourstack.com has you covered! (it's still in beta and has only basic functionality, but at least it's a step in the right direction).

It scans your dependency file (e.g. Gemfile in Rails).

[jedberg]

Fantastic!! I had a feeling that if I posted this, someone would point me to a tool that does exactly that. Just signed up, thanks!