GitLab CI vs Vespene: 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; Vespene: *Python CI/CD and automation server written in Django *.
Vespene is a modern, streamlined build and self-service automation platform. Vespene is designed to combat chaos in complex software development and operations environments. As you might expect of any build system, builds can be launched manually, triggered from commits with Webhooks, or set off on timers with Scheduling.
GitLab CI and Vespene can be categorized as "Continuous Integration" tools.
Vespene is an open source tool with 699 GitHub stars and 83 GitHub forks. Here's a link to Vespene's open source repository on GitHub.