Yes, both Travis CI and JFrog Artifactory offer a Free Trial.
Travis CI is designed for Large Enterprises, Medium Business and Small Business.
JFrog Artifactory is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Travis CI Starts at $69/Month whereas for JFrog Artifactory Starts at $1,199/Month.
Some top alternatives to Travis CI includes Codeship, Semaphore, GitLab, CircleCI, Bamboo, Buildkite, CloudBees Core, AppVeyor and GitlabRunner.
Some top alternatives to JFrog Artifactory includes LinearB, Depot, Docker Hub, Anchore, Artifakt and ImageCart.