What plugins do you miss?

[flokosiol]

You could customize my subpagelist plugin to achieve this. To not repeat myself you can go on reading here

Panel customization: Adding a field to the subpage list

@coreytegeler asked me something comparable for my subpagelist plugin a while ago. Although I didn’t want to implement a custom template (because I’m using the sidebar snippet as it is) I described how to modify my plugin to use a custom template as mentioned in this comment. Maybe this is an option. It’s hacking a plugin instead of hacking core

There you’ll find all relevant links. Don’t hesitate to ask, if you have any questions or problems implementing it.