Bitbucket is a super fast repository. The deployment models are flexible enough to suit the teams of all sizes. It secures the workflow by preventing errors with the help of granular permissions at branch, project or repository level.
You can get started with AWS CodeCommit for free. The free account gets five active users per month with some limitations after which free account holders have to pay $1 per additional active user per month. There are no upfrontSource Code Repositories AWS Amazon