The Porvoo and Helsinki GNU/Linux User Group (PLUG), is celebrating its 10th Anniversary on Saturday 6 March, with a boat trip between Helsinki, Finland and Tallinn, Estonia.

PLUG's purpose is the promotion of knowledge about GNU/Linux. It's meeting meetings are open to everybody. PLUG has been organizing meetings everyTuesday since January 2000. Since 2009 the meetings are held on
alternate weeks in the Finish cities of Porvoo and Helsinki.