Elegantt for Trello - The most elegant way to manage your Trello projects
Walling for Windows - Visual walls for your ideas and projects. Now on Windows.
Hello Epics for Trello - Simplify your Trello board with parent/child relationships
Butter - Butter is a newly launched chatting application that focuses more on the privacy of its users.
TunnelVision - See your next Trello tasks every time you open a browser tab
Milanote - Milanote is a note taking app for creative work.