Buildkite is mixed-hosting; source code stays on your machines, on-prem if you like, but build logs / history / SCM triggers are hosted. Unclear whether that’s

Buildkite is mixed-hosting; source code stays on your machines, on-prem if you like, but build logs / history / SCM triggers are hosted. Unclear whether that’s enough for your situation but it’s by far my favourite because of how it lets you store the CI pipeline in the repository (so changes are reviewed via normal channels etc).