Simple Comment Editing
Simple Comment Editing is a free plugin that is highly extensible and is currently installed on 3000+ sites.
The plugin is simple and is plug-and-play. It allows your users to edit their comments for a period of time.
Simple Comment Editing Options
I was always reluctant to add options to the core plugin in order to, well, keep it simple.
Due to SCE’s extensibility, I was able to create an add-on that has a lot of the options users were asking for that never made it in the base plugin.