Todoist just came forward with its own approach to kanban board-style project management, but if you need something less expensive or don't work on a large scale, you might be interested in Bundled Notes' approach to this organization style. Version 0.9 adds kanban board support and makes navigating and using the combined notes and productivity tool more intuitive, leading up to the service's stable 1.0 release.
I've been searching for the perfect note-taking app for a long time. I like Google Keep for its simplicity, but that's also its biggest crux. It's missing a few too many features to become my one-stop solution. Evernote, on the other hand, is too blown up for me. It feels sluggish and overloaded with features I'll never need (at least that was the case when I last used it). Bundled Notes, a new app created by indie developer Xavier Tobin, might become the perfect middle ground for me and might even replace my to-do app along the way.
Project management is a difficult thing, as is coordinating teams (our fearless leaders keep us in line here at AP). Trello is, by no means, a new name in this space. We have covered the app from time to time, especially when it gets notable new features. Well, here's a pretty important one: Trello now works offline.