What is this plugin for redmine?

Question

On lighthttp redmine, there is a git like downloadable links : http://redmine.lighttpd.net/projects/lighttpd2/repository

Also here : https://projects.kde.org/projects/calligra/calligra-history/repository

What is the plugin used ?

Answer 1

That is the Redmine Checkout plugin by Holger Just.

http://dev.holgerjust.de/projects/redmine-checkout/wiki