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 Smartsheet, Miro, Process Street, Wrike, Notion, Jira, Trello, TeamGantt, GitScrum, Teamwork, Kaiten, SwiftKanban, Trackboard, Quick Base, ClickUp, Kanban Tool and Kanban Zone.