free and open source (FOSS)

See the following -

First Timer’s Guide to FOSS Conferences

I’ve been going to FOSS (free and open source) conferences since 2006. My first open source conference was FreedomHEC in Seattle, a little 30-person conference for Linux users to protest Microsoft’s WinHEC. My next open source conference was OSCON, which had over a thousand attendees. They were both very different conferences, and as a college student, I really didn’t know what to expect. Going to your first open source conference can be intimidating, so I’ve complied ten tips for people who are new to the conference circuit...