Yes, both Buildkite and GitLab offer a Free Trial.
Buildkite is designed for Large Enterprises, Medium Business and Small Business.
GitLab is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Buildkite Starts at $2,999/User/Month whereas for GitLab Starts at $19/User/Month.
Some top alternatives to Buildkite includes Codeship, GitLab, CircleCI, Bamboo, AutoRABIT CI, CloudBees Core, Travis CI, AppVeyor and Drone.io.
Some top alternatives to GitLab includes Codeship, Semaphore, CircleCI, Bamboo, AutoRABIT CI, Buildkite, CloudBees Core, Travis CI and Bitbucket.