Median time needed to close an issue.
Percentage of open issues.
Some issues are ignored based on their labels (example of ignored labels: "enhancement", "feature"…). For the median time needed to close an issue, issues older than 6 months are ignored too.
Is it maintained? is an open source project whose goal is to monitor open source projects.
Have you ever wondered whether or not to use a library or a framework, uncertain of how well it is maintained?