If you are interested in open source and software engineering, please take a look at these upcoming events:
- 27.12.2009: (F/L)OSS 2010, research program call for papers
- 11.01.2009: SSE 2010, a workshop on social software engineering
- 25.03.2010: OOPSLA 2010, research program call for papers
- 31.03.2010: Fourth F/LOSS Workshop
Disclaimer: Except for the last one I’m on each program committee.