> I'd like to have a lightweight idea board for some projects > Something that leaves less clutter > Ideally it should be simple, free & open source, and easy

> I'd like to have a lightweight idea board for some projects > Something that leaves less clutter > Ideally it should be simple, free & open source, and easy to self-host. > Ideally it should have nothing to do with Atlassian. I don't think JIRA fits into any of those criteria.