Collax Business Server is an all-in-one Linux server for small- and medium-sized businesses. It delivers all the important network services within a heterogeneous business environment for communication, infrastructure, compliance, groupware, and storage, all in a reliable and secure way which is easy to manage. It also provides essential security functions such as firewalling and virus and spam filtering, to protect against hacker attacks, viruses, and unsolicited email messages.
Zfswatcher is ZFS storage pool monitoring and notification daemon. It periodically inspects the zpool status and sends configurable notifications on status changes such as disk failures. It also controls the disk enclosure LEDs. There is an embedded Web interface for displaying status and logs.
vded is a simple REST-type method for tracking deltas of ever-increasing values (although it handles resets, etc., pretty well). It is meant to accept submissions of values which increment, then determine the delta between that value and its predecessor, as well as figure the rate over time.