Adding an autocompletion field in flutter is quite easy, validation isn't. This is a short how to wrap the field an enable valdidation for it.
This is a plugin for your phpBB Forum to hide/show content depending on your needs
This is a munin plugin to display the commit types (Add, Modified, Deleted, Replaced) per day for a list of repositories.
This munin plugin displays the Results of all mails filtered by SpamAssassin.
Adding new plugins to munin is pretty straight forward.