Minkaku shows you which Firefox Extension is most used.
In Minkaku HP, you can see the ranking of Firefox Extensions.
After installation of Minkaku.xpi, you can vote your Firefox Extensions by selecting "Tools" -> "Minkaku" on menu bar.
Minkaku OpenSearch pluginAdds Minkaku search engine into search bar.
※You can also install Minkaku OpenSearch plugin from pull-down menu of search bar.