Aha! vs LeanLabs Kanban: What are the differences?
Aha!: Roadmapping software for PMs who want their mojo back. Set product strategy, visualize and share roadmaps, and articulate features so your product development teams can build what matters; LeanLabs Kanban: Free, open source, self-hosted, Kanban board for GitLab issues. Leanlabs kanban is built from the ground up using the GitLab public API. Kanban issues are GitLab issues, you will never have to deal with synchronization problems. Keep issues where they belong, in the repository with your code!.
Aha! and LeanLabs Kanban belong to "Project Management" category of the tech stack.