Zube - Project management for developers.
Nullboard - Minimalist locally-stored kanban board / task list manager.
ZenHub - ZenHub is how the world's best software teams work together. Trusted by NASA, Docker, and Rackspace. Start free today!
Brisqi - Offline-first personal Kanban app
Nifty - Manage projects, work, and communications in one place.
Waffle - Split screen picture conversations with friends