Similar to Trello, MeisterTask is a great free option, but has some more features at its core when it comes to auto-assignment when you transition a task to another column (It also has a minimal UI feel to it and just looks gorgeous). However, as a Jira Instructor, I have fallen in love with Jira's flexibility and simplicity while using Scrum/Kanban using both Jira classic and next-gen projects. It isn't free, but for $10/month at the time of this post you get more bang for your buck compared to most other paid offerings in the project management software space. Atlassian, the company that owns the Jira Software application, also acquired Trello and I can see the simplicity of Trello in the new Jira Next-Gen Cloud software. The #1 thing I like about Jira is the ability to report on team velocity. Even for personal projects such as building my online courses, it's been very helpful to plan my work out with more accuracy over time while juggling a busy full-time software release management job and family life.
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