What are some alternatives?
When comparing Visual Studio Team Services and codeBeamer ALM, you can also consider the following products
Helix ALM - Helix ALM is the single, integrated application that lets you centralize and manage requirements, test cases, issues, and other development artifacts and their relationships.
Atlassian Bitbucket Server - Atlassian Bitbucket Server is a scalable collaborative Git solution.
PractiTest - PractiTest is a cloud based Innovative test management tool.
Mercurial SCM - Mercurial is a free, distributed source control management tool.
Optimizely - A/B testing you'll actually use.
Jama Connect - Collaborate with your team and share the data you care about in one place