Ranked in these QuestionsQuestion Ranking
Pro Project focused
In contrast to GitHub, Gitorious is not user-centered, it is project centered.
Pro Supports pull requests
Has pull request (aka merge request) support.
You can create your project wiki with Gitorious.
Con To be discontinued on June 1st
Gitorious was acquired by GitLab on 3 March 2015 and they have announced that Gitorious will be discounted on June 1st.
Con Destructive installation
Gitorious installation will change settings without asking.