ChugaLugIN Online: Community Helpful, Urban Guru and Linux User Guild of Northern Indiana .CINLUG: Central Indiana Linux Users Group.NDLUG: Notre Dame Linux Users Group.PLUG: The Purdue Linux Users Group web site.Southeastern Indiana Linux User Group: Formed to expand the enjoyment, training and education of the linux OS. Meetings and other information.USI LUG: USI Linux User Group webpage.