Scrum Study Cards - An easy to understand overview of the Scrum framework.
Ora - Welcome to your team’s command center. A place to track projects. Tasks. Time. Commits. Status Reports. Your entire product or business! It's the fastest-growing productivity suite your team needs right now!
MacMenuBar - A curated directory of 200+ Mac menu bar apps
Lavagna - OpenSource project management tool designed for small teams.
TargetProcess - Agile Project Management Web Application
Time In List for Trello - Identify slow cards and bottlenecks on your Trello boards