Slug is a project mainly written in Perl, it's free.
ウェブアプリケーションフレームワーク(更新停止)
Plackベースのウェブアプリケーションフレームワークだよ！
LICENSE AND COPYRIGHT
Copyright (c) 2010, hisaichi5518. All rights reserved.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.