Next Step for Trello - Check tasks directly from your Trello boards
TimeSite Pro - TimeSite Pro is a fully configurable, cloud-based time tracking, expense & invoicing solution.
StandupScreen for Trello - Turn a magnetic whiteboard into an interactive Trello board
TimeSolv - Legal Time Tracking & Billing Software.
Standuply - Run daily standup meetings and track your metrics in Slack
WiseTime - Web-based automatic time tracking software