“bitmapist (GitHub) – a powerful realtime analytics library that can help you answer following questions:
- Has user 123 been online today? This week? This month?
- Has user 123 performed action “X”?
- How many users have been active have this month? This hour?
- How many unique users have performed action “X” this week?
- How many % of users that were active last week are still active?
- How many % of users that were active last month are still active this month?
This library is very easy to use and enables you to create your own reports easily…”