- New Relic for LAMP stack monitoring http://www.newrelic.com
- Zabbix for infrastructure monitoring https://www.zabbix.org/wiki/Main_Page
- Splunk for storing all syslog http://www.splunk.com
- TargetProcess for agile pm http://www.targetprocess.com
- burndown chart generation http://www.conceptuel.co.uk/burnDown (one of mine actually)
- reviewboard for code review http://www.reviewboard.org