We use a combination of Scrum and Kanban for our tasks. We focus more on the integration with Bitbucket to keep track of tasks and have bi-directional accountability.
Flynn Service Web App
Issue tracking and Agile project management.
Issue Management, project support and Agile development tracking.
DVA: The Right Mix
Bug tracking and change requests.
We use JIRA for both bug tracking, and in some cases features as well, although that is directly linked to our Trello boards.
Defect, enhancement and feature tracking software.
Check yourself before you wreck yourself.