Arbor vs Skadi: What are the differences?
What is Arbor? The easiest way to manage product development. User stories are the fundamental unit of modern digital development. Defining features in a way that’s unambiguous and directly adds value your creation. Arbor lets you quickly and easily create, size, and categorize every story you’ll need for your digital product - all while bridging the gap between ideation and execution.
What is Skadi? Self-hosted Trello alternative with a 10 second installation. Skadi doesn't need installation or administration. It's a single static binary file. You don't even need to set up a webserver or a database. Linux and OS X are supported. Windows support is coming soon.
Arbor and Skadi can be categorized as "Project Management" tools.