Aditya Vikram Mukherjee
Should be able to modify the template, and widget code. Some CSS knowledge to style the lists would be recommended.
Loads the posts from a label, as a list right under the label in the sidebar widget. The load is asynchronous, and toggle-able with memory (multiple labels can be opened and closed at the same time).
Paste codes on homepage and follow given instructions.
Sites Using This HackEdit
The Last Word (add your sites)