[aidenn0]

For me, I use evolution for email, which uses the GNOME keyring and I couldn't for the life of me figure out that I needed to install seahorse to manage it.

Of course I'm not even remotely in their targeted user base since I don't run GNOME, but it annoyed me nonetheless.

[DivineBicycle]

That I will agree makes no sense whatsoever but usually that would be installed by default through the dependency list in your package manager. Dunno why it wasn't.