Yes, both GitLab and Kanbanize offer a Free Trial.
GitLab is designed for Large Enterprises, Medium Business and Small Business.
Kanbanize is designed for Large Enterprises, Medium Business and Small Business.
Pricing for GitLab Starts at $19/User/Month whereas for Kanbanize Starts at $179/Month when Billed Yearly.
Some top alternatives to GitLab includes Codeship, Semaphore, CircleCI, Bamboo, AutoRABIT CI, Buildkite, CloudBees Core, Travis CI and Bitbucket.
Some top alternatives to Kanbanize includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Trello, Wrike, TeamGantt, GitScrum, Teamwork, Kaiten, SwiftKanban, Trackboard, Quick Base, Kanban Tool and Kanban Zone.