How to view installed packages that are not on repos?

[arkara]

I have installed some packages that are not included on our repositories..
for example frostwire.. does anyone know how to view them all?

[silkstone]

In Synaptic, do they show under 'Local or Obsolete'?

[arkara]

In Synaptic, do they show under 'Local or Obsolete'?

i don't use synaptic
any suggestion on how to do it from command line or adept?