What is the best alternative to Buildkite?
CircleCI ranks first right now. Fully hosted with fast machines if you don't want to run agents. GitHub Actions and Jenkins follow it in our ranking.
Is there a free alternative to Buildkite?
Yes. CircleCI (free plan + paid), GitHub Actions (free plan + paid), Jenkins (open source) and TeamCity (free plan + paid) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to Buildkite?
Yes: Jenkins and GitLab. Jenkins and GitLab can also be self-hosted.
Which Buildkite alternatives work on Linux?
Jenkins and TeamCity run on Linux.
Why do people switch from Buildkite?
The complaints we hear most: you manage the agent infrastructure unless you pay for hosted agents; per-user pricing adds up for big orgs; more setup than all-hosted CI.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces Buildkite, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.