Wisdo - Learn from people who’ve been there

M/Monit - Monit is a free open source utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.

Ask Me Anything - The official Reddit AMA app

Retroly - A fun simple tool for agile retrospectives

Live-Ask - A one-stop solution for moderating discussions and Q&As.

Zabbix - Track, record, alert and visualize performance and availability of IT resources