Gagan Deep Singh

Plugin handles the permalink changed due to changes in the post date when post date is used in the permalink structure. 
Tries to correct any malformed permalinks by trying to find the post in case of 404(File not found) header. 
It is just plug and play, activate it and it starts working, no configuration required.

Post Date Change Redirection

Saved us

Handles the changes in the permalink due to change in post date by providing 301 redirection

yuuwoods

When this plug-in is enabled, when future post, adjust the modify date to post date.

Ys-Fp_md2pd

Future post, adjust the modify date to post date.

Post Date Change Redirection vs Ys-Fp_md2pd