GitHub vs BitBucket vs GitLab

Those who write code on a daily basis understand like no one else that archiving this code in a code repository can save the developer lots of time. Generally speaking, source code repositories are a real gift for those who work in large teams. Since a lot of code repositories hosts emerge every day, it is necessary to understand which of them are the most reliable ones. So, a large quantity of these hosts gives users much space for making a choice. But people may get confused with choosing the best one.
GitHub vs BitBucket vs GitLab