Shipit is an automation engine and a deployment tool.
Shipit provides a good alternative to Capistrano or other build tools. It is easy to deploy or to automate simple tasks on your remote servers.
Product Frameworks - Discover product frameworks used to help build products
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Intercom on Starting Up - A book about growing a startup
Abusix - Abusix is a network security company that offers email threat protection and network abuse handling solutions to ISPs, Telcos, and Cloud/Hosting Providers to stop the rapidly growing problem of email-borne threats and other kinds of network abuse.
Intercom on Product Management - The ultimate resource for aspiring product managers
FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.