GitLab CI vs TeamCity: What are the differences?
GitLab CI: GitLab integrated CI to test, build and deploy your code. GitLab offers a continuous integration service. If you add a .gitlab-ci.yml file to the root directory of your repository, and configure your GitLab project to use a Runner, then each merge request or push triggers your CI pipeline; TeamCity: TeamCity is an ultimate Continuous Integration tool for professionals. TeamCity is a user-friendly continuous integration (CI) server for professional developers, build engineers, and DevOps. It is trivial to setup and absolutely free for small teams and open source projects.
GitLab CI and TeamCity can be primarily classified as "Continuous Integration" tools.
"Robust CI with awesome Docker support" is the top reason why over 16 developers like GitLab CI, while over 52 developers mention "Easy to configure" as the leading cause for choosing TeamCity.
According to the StackShare community, GitLab CI has a broader approval, being mentioned in 206 company stacks & 90 developers stacks; compared to TeamCity, which is listed in 168 company stacks and 51 developer stacks.