The last two companies I've worked at both use GitHub. There are more GitHub vs. self-hosting comparisons (including mine) in this earlier thread, with a focus

The last two companies I've worked at both use GitHub. There are more GitHub vs. self-hosting comparisons (including mine) in this earlier thread, with a focus on security: http://news.ycombinator.com/item?id=936187 http://news.ycombinator.com/item?id=936187